Ada Lovelace

<h2 id="biography">Biography</h2>
<h3>Childhood</h3>
<a href="/facts/Lord_Byron/sajTBMxU">Lord Byron</a> expected his child to be a "glorious boy" and was disappointed when <a href="/facts/Lady_Byron/wsQjeoNM">Lady Byron</a> gave birth to a girl.<a class="footnote-ref" id="fnref:8" href="#fn:8">8</a> The child was named after Byron's half-sister, <a href="/facts/Augusta_Leigh/2sY6Nwko">Augusta Leigh</a>, and was called "Ada" by Byron himself.<a class="footnote-ref" id="fnref:9" href="#fn:9">9</a> On 16 January 1816, at Lord Byron's command, Lady Byron left for her parents' home at <a href="/facts/Kirkby_Mallory/Hy90RUTz">Kirkby Mallory</a>, taking their five-week-old daughter with her.<a class="footnote-ref" id="fnref:10" href="#fn:10">10</a> Although English law at the time granted full custody of children to the father in cases of separation, Lord Byron made no attempt to claim his parental rights,<a class="footnote-ref" id="fnref:11" href="#fn:11">11</a> but did request that his sister keep him informed of Ada's welfare.<a class="footnote-ref" id="fnref:12" href="#fn:12">12</a>

On 21 April, Lord Byron signed the <a href="/facts/Deed_of_separation/C3jYn7rx">deed of separation</a>, although very reluctantly, and left England for good a few days later.<a class="footnote-ref" id="fnref:13" href="#fn:13">13</a> Aside from an acrimonious separation, Lady Byron continued throughout her life to make allegations about her husband's immoral behaviour.<a class="footnote-ref" id="fnref:14" href="#fn:14">14</a> This set of events made Lovelace infamous in Victorian society. Ada did not have a relationship with her father. He died in 1824 when she was eight years old. Her mother was the only significant parental figure in her life.<a class="footnote-ref" id="fnref:15" href="#fn:15">15</a> Lovelace was not shown the family portrait of her father until her 20th birthday.<a class="footnote-ref" id="fnref:16" href="#fn:16">16</a>

Lovelace did not have a close relationship with her mother. She was often left in the care of her maternal grandmother Judith, Hon. Lady Milbanke, who doted on her. However, because of societal attitudes of the time—which favoured the husband in any separation, with the welfare of any child acting as mitigation—Lady Byron had to present herself as a loving mother to the rest of society. This included writing anxious letters to Lady Milbanke about her daughter's welfare, with a cover note saying to retain the letters in case she had to use them to show maternal concern.<a class="footnote-ref" id="fnref:17" href="#fn:17">17</a> In one letter to Lady Milbanke, she referred to her daughter as "it": "I talk to it for your satisfaction, not my own, and shall be very glad when you have it under your own."<a class="footnote-ref" id="fnref:18" href="#fn:18">18</a> Lady Byron had her teenage daughter watched by close friends for any sign of moral deviation. Lovelace dubbed these observers the "Furies" and later complained they exaggerated and invented stories about her.<a class="footnote-ref" id="fnref:19" href="#fn:19">19</a>

Lovelace was often ill, beginning in early childhood. At the age of eight, she experienced headaches that obscured her vision.<a class="footnote-ref" id="fnref:20" href="#fn:20">20</a> In June 1829, she was paralyzed after a bout of <a href="/facts/Measles/tepQCUIG">measles</a>. She was subjected to continuous bed rest for nearly a year, something which may have extended her period of disability. By 1831, she was able to walk with crutches. Despite the illnesses, she developed her mathematical and technological skills.

<blockquote>When Ada was twelve years old, this future "Lady Fairy", as Charles Babbage affectionately called her, decided she wanted to fly. Ada Byron went about the project methodically, thoughtfully, with imagination and passion. Her first step, in February 1828, was to construct wings. She investigated different material and sizes. She considered various materials for the wings: paper, oilsilk, wires, and feathers. She examined the <a href="/facts/Anatomy_of_birds/aM6xqpda">anatomy of birds</a> to determine the right proportion between the wings and the body. She decided to write a book, Flyology, illustrating, with plates, some of her findings. She decided what equipment she would need; for example, a compass, to "cut across the country by the most direct road", so that she could surmount mountains, rivers, and valleys. Her final step was to integrate steam with the "art of flying".<a class="footnote-ref" id="fnref:21" href="#fn:21">21</a></blockquote>
Ada Byron had an affair with a tutor in early 1833. She tried to elope with him after she was caught, but the tutor's relatives recognised her and contacted her mother. Lady Byron and her friends covered the incident up to prevent a public scandal.<a class="footnote-ref" id="fnref:22" href="#fn:22">22</a> Lovelace never met her younger half-sister, <a href="/facts/Allegra_Byron/HuLe5GEx">Allegra</a>, the daughter of Lord Byron and <a href="/facts/Claire_Clairmont/But7rbxS">Claire Clairmont</a>. Allegra died in 1822 at the age of five. Lovelace did have some contact with <a href="/facts/Elizabeth_Medora_Leigh/5q7yI91Q">Elizabeth Medora Leigh</a>, the daughter of Byron's half-sister Augusta Leigh, who purposely avoided Lovelace as much as possible when introduced at court.<a class="footnote-ref" id="fnref:23" href="#fn:23">23</a>

<h3>Adult years</h3>

Lovelace became close friends with her tutor <a href="/facts/Mary_Somerville/GhatBM97">Mary Somerville</a>, who introduced her to Charles Babbage in 1833. She had a strong respect and affection for Somerville,<a class="footnote-ref" id="fnref:24" href="#fn:24">24</a> and they corresponded for many years. Other acquaintances included the scientists <a href="/facts/Andrew_Crosse/vquQDXRR">Andrew Crosse</a>, <a href="/facts/David_Brewster/n8YgnRBx">Sir David Brewster</a>, <a href="/facts/Charles_Wheatstone/935jnRhj">Charles Wheatstone</a>, <a href="/facts/Michael_Faraday/NDcc3lyt">Michael Faraday</a> and the author <a href="/facts/Charles_Dickens/B54mQHJs">Charles Dickens</a>. She was <a href="/facts/Debutante/RTdPzE4u">presented at Court</a> at the age of seventeen "and became a popular belle of the season" in part because of her "brilliant mind".<a class="footnote-ref" id="fnref:25" href="#fn:25">25</a> By 1834 Ada was a regular at Court and started attending various events. She danced often and was able to charm many people, and was described by most people as being dainty, although <a href="/facts/John_Hobhouse%2c_1st_Baron_Broughton/Lmht8GM3">John Hobhouse</a>, Byron's friend, described her as "a large, coarse-skinned young woman but with something of my friend's features, particularly the mouth".<a class="footnote-ref" id="fnref:26" href="#fn:26">26</a> This description followed their meeting on 24 February 1834 in which Ada made it clear to Hobhouse that she did not like him, probably due to her mother's influence, which led her to dislike all of her father's friends. This first impression was not to last, and they later became friends.<a class="footnote-ref" id="fnref:27" href="#fn:27">27</a>

On 8 July 1835, she married <a href="/facts/William_King%2c_1st_Earl_of_Lovelace/WkaauXlR">William, 8th Baron King</a>, becoming Lady King. They had three homes: <a href="/facts/Ockham_Park/elX3qVUp">Ockham Park</a>, Surrey; a Scottish estate on <a href="/facts/Torridon/cS8L0xfg">Loch Torridon</a> in <a href="/facts/Ross-shire/V43CkzsL">Ross-shire</a>; and a house in London. They spent their honeymoon at Ashley Combe near <a href="/facts/Porlock_Weir/bes15ate">Porlock Weir</a>, Somerset, which had been built as a hunting lodge in 1799 and was improved by King in preparation for their honeymoon. It later became their summer retreat and was further improved during this time. From 1845, the family's main house was <a href="/facts/Horsley_Towers/QexHBeIM">Horsley Towers</a>, built in the <a href="/facts/Tudor_Revival_architecture/MuPUfA2I">Tudorbethan</a> fashion by the architect of the Houses of Parliament, <a href="/facts/Charles_Barry/BLTxj72p">Charles Barry</a>,<a class="footnote-ref" id="fnref:28" href="#fn:28">28</a><a class="footnote-ref" id="fnref:29" href="#fn:29">29</a> and later greatly enlarged to Lovelace's own designs.
They had three children: <a href="/facts/Byron_King-Noel%2c_Viscount_Ockham/mAHhaAo6">Byron</a> (born 1836); <a href="/facts/Lady_Anne_Blunt/EIPVzjJ3">Anne Isabella</a> (called Annabella, born 1837); and <a href="/facts/Ralph_King-Milbanke%2c_2nd_Earl_of_Lovelace/Cm0xQUuI">Ralph Gordon</a> (born 1839). Immediately after the birth of Annabella, Lady King experienced "a tedious and suffering illness, which took months to cure".<a class="footnote-ref" id="fnref:30" href="#fn:30">30</a> Ada was a descendant of the extinct <a href="/facts/Baron_Lovelace/Gp8kUxDP">Barons Lovelace</a> and in 1838, her husband was made <a href="/facts/Earl_of_Lovelace/ljoUDuYp">Earl of Lovelace</a> and Viscount Ockham, meaning Ada became the Countess of Lovelace.<a class="footnote-ref" id="fnref:31" href="#fn:31">31</a> In 1843–44, Ada's mother assigned <a href="/facts/William_Benjamin_Carpenter/CR1W8pFu">William Benjamin Carpenter</a> to teach Ada's children and to act as a "moral" instructor for Ada.<a class="footnote-ref" id="fnref:32" href="#fn:32">32</a> He quickly fell for her and encouraged her to express any frustrated affections, claiming that his marriage meant he would never act in an "unbecoming" manner. When it became clear that Carpenter was trying to start an affair, Ada cut it off.<a class="footnote-ref" id="fnref:33" href="#fn:33">33</a>
In 1841, Lovelace and <a href="/facts/Elizabeth_Medora_Leigh/5q7yI91Q">Medora Leigh</a> (the daughter of Lord Byron's half-sister Augusta Leigh) were told by Ada's mother that Ada's father was also Medora's father.<a class="footnote-ref" id="fnref:34" href="#fn:34">34</a> On 27 February 1841, Ada wrote to her mother: "I am not in the least astonished. In fact, you merely confirm what I have for years and years felt scarcely a doubt about, but should have considered it most improper in me to hint to you that I in any way suspected."<a class="footnote-ref" id="fnref:35" href="#fn:35">35</a> She did not blame the incestuous relationship on Byron, but instead blamed Augusta Leigh: "I fear she is more inherently wicked than he ever was."<a class="footnote-ref" id="fnref:36" href="#fn:36">36</a> In the 1840s, Ada flirted with scandals: firstly, from a relaxed approach to extra-marital relationships with men, leading to rumours of affairs;<a class="footnote-ref" id="fnref:37" href="#fn:37">37</a> and secondly, from her love of gambling. She apparently lost more than £3,000 on the horses during the later 1840s.<a class="footnote-ref" id="fnref:38" href="#fn:38">38</a> The gambling led to her forming a syndicate with male friends, and an ambitious attempt in 1851 to create a mathematical model for successful large bets. This went disastrously wrong, leaving her thousands of pounds in debt to the syndicate, forcing her to admit it all to her husband.<a class="footnote-ref" id="fnref:39" href="#fn:39">39</a> She had a shadowy relationship with Andrew Crosse's son John from 1844 onwards. John Crosse destroyed most of their correspondence after her death as part of a legal agreement. She bequeathed him the only heirlooms her father had personally left to her.<a class="footnote-ref" id="fnref:40" href="#fn:40">40</a> During her final illness, she would panic at the idea of the younger Crosse being kept from visiting her.<a class="footnote-ref" id="fnref:41" href="#fn:41">41</a>

<h3>Education</h3>

From 1832, when she was seventeen, her mathematical abilities began to emerge,<a class="footnote-ref" id="fnref:42" href="#fn:42">42</a> and her interest in mathematics dominated the majority of her adult life.<a class="footnote-ref" id="fnref:43" href="#fn:43">43</a> Her mother's obsession with rooting out any of the insanity of which she accused Byron was one of the reasons that Ada was taught mathematics from an early age. She was privately educated in mathematics and science by <a href="/facts/William_Frend_(social_reformer)/pnMcBNeA">William Frend</a>, <a href="/facts/William_King_(physician)/ndtjaCpr">William King</a>,<a class="footnote-ref" id="fnref:44" href="#fn:44">44</a> and Mary Somerville, the noted 19th-century researcher and scientific author. In the 1840s, the mathematician <a href="/facts/Augustus_De_Morgan/6fQ1KTPb">Augustus De Morgan</a> extended her "much help in her mathematical studies" including study of advanced calculus topics including the "<a href="/facts/Bernoulli_number/RH0mblhs">numbers of Bernoulli</a>" (that formed her celebrated algorithm for Babbage's Analytical Engine).<a class="footnote-ref" id="fnref:45" href="#fn:45">45</a> In a letter to Lady Byron, De Morgan suggested that Ada's skill in mathematics might lead her to become "an original mathematical investigator, perhaps of first-rate eminence".<a class="footnote-ref" id="fnref:46" href="#fn:46">46</a>
Lovelace often questioned basic assumptions through integrating poetry and science. Whilst studying <a href="/facts/Differential_calculus/uU1AAc4N">differential calculus</a>, she wrote to De Morgan:

<blockquote>I may remark that the curious transformations many formulae can undergo, the unsuspected and to a beginner apparently impossible identity of forms exceedingly dissimilar at first sight, is I think one of the chief difficulties in the early part of mathematical studies. I am often reminded of certain sprites and fairies one reads of, who are at one's elbows in one shape now, and the next minute in a form most dissimilar.<a class="footnote-ref" id="fnref:47" href="#fn:47">47</a></blockquote>
Lovelace believed that intuition and imagination were critical to effectively applying mathematical and scientific concepts. She valued <a href="/facts/Metaphysics/fSFt6SHe">metaphysics</a> as much as mathematics, viewing both as tools for exploring "the unseen worlds around us".<a class="footnote-ref" id="fnref:48" href="#fn:48">48</a>

<h3>Death</h3>

Lovelace died at the age of 36 on 27 November 1852<a class="footnote-ref" id="fnref:49" href="#fn:49">49</a> from <a href="/facts/Cervical_cancer/99vngUyd">cervical cancer</a> (which contemporary accounts called uterine cancer, since a distinction between the two was not made at time).<a class="footnote-ref" id="fnref:50" href="#fn:50">50</a><a class="footnote-ref" id="fnref:51" href="#fn:51">51</a> The illness lasted several months, in which time Annabella took command over whom Ada saw, and excluded all of her friends and confidants. Under her mother's influence, Ada had a religious transformation and was coaxed into repenting of her previous conduct and making Annabella her executor.<a class="footnote-ref" id="fnref:52" href="#fn:52">52</a> She lost contact with her husband after confessing something to him on 30 August which caused him to abandon her bedside. It is not known what she told him.<a class="footnote-ref" id="fnref:53" href="#fn:53">53</a> She was buried, at her request, next to her father at the <a href="/facts/Church_of_St._Mary_Magdalene%2c_Hucknall/abJTo3xP">Church of St. Mary Magdalene</a> in Hucknall, Nottinghamshire.<a class="footnote-ref" id="fnref:54" href="#fn:54">54</a>

<h2 id="work">Work</h2>
Throughout her life, Lovelace was strongly interested in scientific developments and fads of the day, including <a href="/facts/Phrenology/Te2TYuQA">phrenology</a><a class="footnote-ref" id="fnref:55" href="#fn:55">55</a> and <a href="/facts/Mesmerism/djMYQ2PA">mesmerism</a>.<a class="footnote-ref" id="fnref:56" href="#fn:56">56</a> After her work with Babbage, Lovelace continued to work on other projects. In 1844, she commented to a friend Woronzow Greig about her desire to create a mathematical model for how the brain gives rise to thoughts and nerves to feelings ("a calculus of the nervous system").<a class="footnote-ref" id="fnref:57" href="#fn:57">57</a> She never achieved this, however. In part, her interest in the brain came from a long-running preoccupation, inherited from her mother, about her "potential" madness. As part of her research into this project, she visited the electrical engineer Andrew Crosse in 1844 to learn how to carry out electrical experiments.<a class="footnote-ref" id="fnref:58" href="#fn:58">58</a> In the same year, she wrote a review of a paper by Baron <a href="/facts/Karl_von_Reichenbach/81kjTvcL">Karl von Reichenbach</a>, Researches on Magnetism, but this was not published and does not appear to have progressed past the first draft.<a class="footnote-ref" id="fnref:59" href="#fn:59">59</a> In 1851, the year before her cancer struck, she wrote to her mother mentioning "certain productions" she was working on regarding the relation of maths and music.<a class="footnote-ref" id="fnref:60" href="#fn:60">60</a>

Lovelace first met <a href="/facts/Charles_Babbage/T3jklQcd">Charles Babbage</a> in June 1833, through their mutual friend Mary Somerville. Later that month, Babbage invited Lovelace to see the prototype for his <a href="/facts/Difference_engine/9extR8lB">difference engine</a>.<a class="footnote-ref" id="fnref:61" href="#fn:61">61</a> She became fascinated with the machine and used her relationship with Somerville to visit Babbage as often as she could. Babbage was impressed by Lovelace's intellect and analytic skills. He called her "The Enchantress of Number".<a class="footnote-ref" id="fnref:62" href="#fn:62">62</a><a class="footnote-ref" id="fnref:63" href="#fn:63">63</a> In 1843, he wrote to her:

<blockquote>Forget this world and all its troubles and if possible its multitudinous Charlatans—every thing in short but the Enchantress of Number.<a class="footnote-ref" id="fnref:64" href="#fn:64">64</a></blockquote>
<a class="footnote-ref" id="fnref:65" href="#fn:65">65</a>
In 1840, Babbage was invited to give a seminar at the <a href="/facts/University_of_Turin/tGp1qqGC">University of Turin</a> about his Analytical Engine. <a href="/facts/Luigi_Menabrea/daUUhs3v">Luigi Menabrea</a>, a young Italian engineer and the future <a href="/facts/Prime_Minister_of_Italy/LRTyxot6">Prime Minister of Italy</a>, transcribed Babbage's lecture into French, and this transcript was subsequently published in the <a href="/facts/Biblioth%25C3%25A8que_universelle_de_Gen%25C3%25A8ve/Caf3Poae">Bibliothèque universelle de Genève</a> in October 1842. Babbage's friend <a href="/facts/Charles_Wheatstone/935jnRhj">Charles Wheatstone</a> commissioned Lovelace to translate Menabrea's paper into English.
During a nine-month period in 1842–43, Lovelace translated Menabrea's article.<a class="footnote-ref" id="fnref:66" href="#fn:66">66</a> She then augmented the paper with notes, which were added to the translation.<a class="footnote-ref" id="fnref:67" href="#fn:67">67</a> The translation and notes were then published in the September 1843 edition of Taylor's <a href="/facts/Scientific_Memoirs/4fIr0jJ0">Scientific Memoirs</a> under the <a href="/facts/Initialism/nlHK7aRt">initialism</a> AAL.<a class="footnote-ref" id="fnref:68" href="#fn:68">68</a>
Explaining the Analytical Engine's function was a difficult task; many other scientists did not grasp the concept and the British establishment had shown little interest in it.<a class="footnote-ref" id="fnref:69" href="#fn:69">69</a> Lovelace's notes even had to explain how the Analytical Engine differed from the original Difference Engine.<a class="footnote-ref" id="fnref:70" href="#fn:70">70</a> Her work was well received at the time; the scientist <a href="/facts/Michael_Faraday/NDcc3lyt">Michael Faraday</a> described himself as a supporter of her writing.<a class="footnote-ref" id="fnref:71" href="#fn:71">71</a>
Lovelace and Babbage had a minor falling out when the papers were published, when he tried to leave his own statement (criticising the government's treatment of his Engine) as an unsigned preface, which could have been mistakenly interpreted as a joint declaration. When <a href="/facts/Richard_Taylor_(editor)/Ts2BABKe">Taylor</a>'s <a href="/facts/Scientific_Memoirs/4fIr0jJ0">Scientific Memoirs</a> ruled that the statement should be signed, Babbage wrote to Lovelace asking her to withdraw the paper. This was the first that she knew he was leaving it unsigned, and she wrote back refusing to withdraw the paper. The historian <a href="/facts/Benjamin_Woolley/prxFNroU">Benjamin Woolley</a> theorised that "His actions suggested he had so enthusiastically sought Ada's involvement, and so happily indulged her ... because of her 'celebrated name'."<a class="footnote-ref" id="fnref:72" href="#fn:72">72</a> Their friendship recovered, and they continued to correspond. On 12 August 1851, when she was dying of cancer, Lovelace wrote to him asking him to be her executor, though this letter did not give him the necessary legal authority. Part of the terrace at Worthy Manor was known as Philosopher's Walk; it was there that Lovelace and Babbage were reputed to have walked while discussing mathematical principles.<a class="footnote-ref" id="fnref:73" href="#fn:73">73</a>

<h3>First published computer program</h3>
Main article: <a href="/facts/Note_G/lklRwdhG">Note G</a>

The notes, around three times longer than the article itself, are important in the early <a href="/facts/History_of_computers/83xXSmuW">history of computers</a>, especially since the <a href="/facts/Note_G/lklRwdhG">seventh one</a><a class="footnote-ref" id="fnref:74" href="#fn:74">74</a> described, in complete detail, a method for calculating a sequence of <a href="/facts/Bernoulli_numbers/RH0mblhs">Bernoulli numbers</a> using the Analytical Engine, which might have run correctly had it ever been built.<a class="footnote-ref" id="fnref:75" href="#fn:75">75</a> Though Babbage's personal notes from 1837 to 1840 contain the first programs for the engine,<a class="footnote-ref" id="fnref:76" href="#fn:76">76</a><a class="footnote-ref" id="fnref:77" href="#fn:77">77</a><a class="footnote-ref" id="fnref:78" href="#fn:78">78</a> the <a href="/facts/Algorithm/fnl5NmRt">algorithm</a> in Note G is often called the first published computer program. The engine was never completed and so the program was never tested.<a class="footnote-ref" id="fnref:79" href="#fn:79">79</a>
In 1953, more than a century after her death, Ada Lovelace's notes on Babbage's Analytical Engine were republished as an appendix to <a href="/facts/B._V._Bowden/zwsDUQou">B. V. Bowden</a>'s Faster than Thought: A Symposium on Digital Computing Machines.<a class="footnote-ref" id="fnref:80" href="#fn:80">80</a> The engine has now been recognised as an early model for a computer and her notes as a description of a computer and software.<a class="footnote-ref" id="fnref:81" href="#fn:81">81</a>

<h4>Controversy over contribution</h4>
Based on this work, Lovelace is often called the first computer programmer<a class="footnote-ref" id="fnref:82" href="#fn:82">82</a><a class="footnote-ref" id="fnref:83" href="#fn:83">83</a> and her method has been called the world's first computer program.<a class="footnote-ref" id="fnref:84" href="#fn:84">84</a><a class="footnote-ref" id="fnref:85" href="#fn:85">85</a><a class="footnote-ref" id="fnref:86" href="#fn:86">86</a>
Eugene Eric Kim and Betty Alexandra Toole consider it "incorrect" to regard Lovelace as the first computer programmer.<a class="footnote-ref" id="fnref:87" href="#fn:87">87</a> Babbage claims credit in his autobiography for the algorithm in Note G,<a class="footnote-ref" id="fnref:88" href="#fn:88">88</a> and regardless of the extent of Lovelace's contribution to it, she was not the very first person to write a program for the Analytical Engine, as Babbage had written the initial programs for it, although the majority were never published.<a class="footnote-ref" id="fnref:89" href="#fn:89">89</a> Bromley notes several dozen sample programs prepared by Babbage between 1837 and 1840, all substantially predating Lovelace's notes.<a class="footnote-ref" id="fnref:90" href="#fn:90">90</a> <a href="/facts/Dorothy_K._Stein/MIkp67Ck">Dorothy K. Stein</a> regards Lovelace's notes as "more a reflection of the mathematical uncertainty of the author, the political purposes of the inventor, and, above all, of the social and cultural context in which it was written, than a blueprint for a scientific development".<a class="footnote-ref" id="fnref:91" href="#fn:91">91</a>
<a href="/facts/Allan_Bromley_(historian)/PDyYv7z9">Allan G. Bromley</a>, in the 1990 article Difference and Analytical Engines:

<blockquote>All but one of the programs cited in her notes had been prepared by Babbage from three to seven years earlier. The exception was prepared by Babbage for her, although she did detect a "bug" in it. Not only is there no evidence that Ada ever prepared a program for the Analytical Engine, but her correspondence with Babbage shows that she did not have the knowledge to do so.<a class="footnote-ref" id="fnref:92" href="#fn:92">92</a></blockquote>
Bruce Collier wrote that Lovelace "made a considerable contribution to publicizing the Analytical Engine, but there is no evidence that she advanced the design or theory of it in any way".<a class="footnote-ref" id="fnref:93" href="#fn:93">93</a>
<a href="/facts/Doron_Swade/gdoTBeVA">Doron Swade</a> has said that Ada only published the first computer program instead of actually writing it, but agrees that she was the only person to see the potential of the analytical engine as a machine capable of expressing entities other than quantities.<a class="footnote-ref" id="fnref:94" href="#fn:94">94</a>
In his book, Idea Makers, <a href="/facts/Stephen_Wolfram/pJTChkGB">Stephen Wolfram</a> defends Lovelace's contributions. While acknowledging that Babbage wrote several unpublished algorithms for the Analytical Engine prior to Lovelace's notes, Wolfram argues that "there's nothing as sophisticated—or as clean—as Ada's computation of the Bernoulli numbers. Babbage certainly helped and commented on Ada's work, but she was definitely the driver of it." Wolfram then suggests that Lovelace's main achievement was to distill from Babbage's correspondence "a clear exposition of the abstract operation of the machine—something which Babbage never did".<a class="footnote-ref" id="fnref:95" href="#fn:95">95</a>

<h3>Insight into potential of computing devices</h3>
In her notes, Ada Lovelace emphasised the difference between the Analytical Engine and previous calculating machines, particularly its ability to be programmed to solve problems of any complexity.<a class="footnote-ref" id="fnref:96" href="#fn:96">96</a> She realised the potential of the device extended far beyond mere number crunching. In her notes, she wrote:

<blockquote>[The Analytical Engine] might act upon other things besides number, were objects found whose mutual fundamental relations could be expressed by those of the abstract science of operations, and which should be also susceptible of adaptations to the action of the operating notation and mechanism of the engine...Supposing, for instance, that the fundamental relations of pitched sounds in the science of harmony and of musical composition were susceptible of such expression and adaptations, the engine might compose elaborate and scientific pieces of music of any degree of complexity or extent.<a class="footnote-ref" id="fnref:97" href="#fn:97">97</a><a class="footnote-ref" id="fnref:98" href="#fn:98">98</a></blockquote>
This analysis was an important development from previous ideas about the capabilities of computing devices and anticipated the implications of modern computing one hundred years before they were realised. <a href="/facts/Walter_Isaacson/hE0jeb5n">Walter Isaacson</a> ascribes Ada's insight regarding the application of computing to any process based on logical symbols to an observation about textiles: "When she saw some <a href="/facts/Jacquard_machine/KqFkGCUs">mechanical looms</a> that used <a href="/facts/Punched_cards/44WsPulQ">punchcards</a> to direct the weaving of beautiful <a href="/facts/Pattern/mzD7uLQa">patterns</a>, it reminded her of how Babbage's engine used punched cards to make calculations."<a class="footnote-ref" id="fnref:99" href="#fn:99">99</a> This insight is seen as significant by writers such as Betty Toole and Benjamin Woolley, as well as the programmer <a href="/facts/John_Graham-Cumming/N5xDFBnD">John Graham-Cumming</a>, whose project Plan 28 has the aim of constructing the first complete Analytical Engine.<a class="footnote-ref" id="fnref:100" href="#fn:100">100</a><a class="footnote-ref" id="fnref:101" href="#fn:101">101</a><a class="footnote-ref" id="fnref:102" href="#fn:102">102</a>
According to the historian of computing and Babbage specialist <a href="/facts/Doron_Swade/gdoTBeVA">Doron Swade</a>:

<blockquote>Ada saw something that Babbage in some sense failed to see. In Babbage's world his engines were bound by number...What Lovelace saw...was that number could represent entities other than quantity. So once you had a machine for manipulating numbers, if those numbers represented other things, letters, musical notes, then the machine could manipulate symbols of which number was one instance, according to rules. It is this fundamental transition from a machine which is a number cruncher to a machine for manipulating symbols according to rules that is the fundamental transition from calculation to computation—to general-purpose computation—and looking back from the present high ground of modern computing, if we are looking and sifting history for that transition, then that transition was made explicitly by Ada in that 1843 paper.<a class="footnote-ref" id="fnref:103" href="#fn:103">103</a></blockquote>
<a href="/facts/Note_G/lklRwdhG">Note G</a> also contains Lovelace's dismissal of <a href="/facts/Artificial_intelligence/lJGauQwX">artificial intelligence</a>. She wrote that "The Analytical Engine has no pretensions whatever to originate anything. It can do whatever we know how to order it to perform. It can follow analysis; but it has no power of anticipating any analytical relations or truths." This objection has been the subject of much debate and rebuttal, for example by <a href="/facts/Alan_Turing/klov9b6g">Alan Turing</a> in his paper "<a href="/facts/Computing_Machinery_and_Intelligence/mSP1X3W9">Computing Machinery and Intelligence</a>".<a class="footnote-ref" id="fnref:104" href="#fn:104">104</a> Most modern computer scientists argue that this view is outdated and that computer software can develop in ways that cannot necessarily be anticipated by programmers.<a class="footnote-ref" id="fnref:105" href="#fn:105">105</a>

<h3>Distinction between mechanism and logical structure</h3>
Lovelace recognized the difference between the details of the computing mechanism, as covered in an 1834 article on the Difference Engine,<a class="footnote-ref" id="fnref:106" href="#fn:106">106</a>
and the logical structure of the Analytical Engine, on which the article she was reviewing dwelt. She noted that different specialists might be required in each area.

<blockquote>The [1834 article] chiefly treats it under its mechanical aspect, entering but slightly into the mathematical principles of which that engine is the representative, but giving, in considerable length, many details of the mechanism and contrivances by means of which it tabulates the various orders of differences. M. Menabrea, on the contrary, exclusively developes the analytical view; taking it for granted that mechanism is able to perform certain processes, but without attempting to explain how; and devoting his whole attention to explanations and illustrations of the manner in which analytical laws can be so arranged and combined as to bring every branch of that vast subject within the grasp of the assumed powers of mechanism. It is obvious that, in the invention of a calculating engine, these two branches of the subject are equally essential fields of investigation... They are indissolubly connected, though so different in their intrinsic nature, that perhaps the same mind might not be likely to prove equally profound or successful in both.<a class="footnote-ref" id="fnref:107" href="#fn:107">107</a>: Note A 
</blockquote>
<h2 id="commemoration">Commemoration</h2>

The computer language <a href="/facts/Ada_(programming_language)/Y2yHel4l">Ada</a>, created on behalf of the <a href="/facts/United_States_Department_of_Defense/dWAvf7e3">United States Department of Defense</a>, was named after Lovelace.<a class="footnote-ref" id="fnref:108" href="#fn:108">108</a> The reference manual for the language was approved on 10 December 1980 and the <a href="/facts/United_States_Military_Standard/Y7a53qCL">Department of Defense Military Standard</a> for the language, MIL-STD-1815, was given the number of the year of her birth.
In 1981, the <a href="/facts/Association_for_Women_in_Computing/fR62wySM">Association for Women in Computing</a> inaugurated its <a href="/facts/Ada_Lovelace_Award/jr16WfYm">Ada Lovelace Award</a>.<a class="footnote-ref" id="fnref:109" href="#fn:109">109</a><a class="footnote-ref" id="fnref:110" href="#fn:110">110</a> As of 1998, the <a href="/facts/British_Computer_Society/2Fy6gNq9">British Computer Society</a> (BCS) has awarded the <a href="/facts/Lovelace_Medal/FxtcqNA7">Lovelace Medal</a>,<a class="footnote-ref" id="fnref:111" href="#fn:111">111</a> and in 2008 initiated an annual competition for women students.<a class="footnote-ref" id="fnref:112" href="#fn:112">112</a> <a href="/facts/BCSWomen/L1khKxXH">BCSWomen</a> sponsors the Lovelace Colloquium, an annual conference for women undergraduates.<a class="footnote-ref" id="fnref:113" href="#fn:113">113</a> <a href="/facts/Ada_College/fNFv9ye3">Ada College</a> is a further-education college in <a href="/facts/Tottenham_Hale/cbDXSvgD">Tottenham Hale</a>, London, focused on digital skills.<a class="footnote-ref" id="fnref:114" href="#fn:114">114</a>
<a href="/facts/Ada_Lovelace_Day/s3c2GGRu">Ada Lovelace Day</a> is an annual event celebrated on the second Tuesday of October,<a class="footnote-ref" id="fnref:115" href="#fn:115">115</a> which began in 2009.<a class="footnote-ref" id="fnref:116" href="#fn:116">116</a> Its goal is to "... raise the profile of women in science, technology, engineering, and maths," and to "create new role models for girls and women" in these fields.<a class="footnote-ref" id="fnref:117" href="#fn:117">117</a>
The <a href="/facts/Ada_Initiative/VPV4n5n6">Ada Initiative</a> was a non-profit organisation dedicated to increasing the involvement of women in the <a href="/facts/Free_culture_movement/DnXvmDRh">free culture</a> and <a href="/facts/Open-source_software_movement/YXplsqjw">open source movements</a>.<a class="footnote-ref" id="fnref:118" href="#fn:118">118</a> A specialist technical college, for pupils aged 16–19, in England is named "Ada, the National College for Digital Skills", it has campuses in <a href="/facts/Whitechapel/bQQNaal9">Whitechapel</a>, <a href="/facts/Tottenham_Hale/cbDXSvgD">Tottenham Hale</a> and <a href="/facts/Manchester/2Do01QHs">Manchester</a>.<a class="footnote-ref" id="fnref:119" href="#fn:119">119</a> The building of the department of Engineering Mathematics at the <a href="/facts/University_of_Bristol/naU7Gvlc">University of Bristol</a> is called the Ada Lovelace Building.<a class="footnote-ref" id="fnref:120" href="#fn:120">120</a> The Engineering in Computer Science and Telecommunications College building in <a href="/facts/Zaragoza_University/vMASCeqd">Zaragoza University</a> is called the Ada Byron Building.<a class="footnote-ref" id="fnref:121" href="#fn:121">121</a> The computer centre in the village of <a href="/facts/Porlock/xIXJDpo3">Porlock</a>, near where Lovelace lived, is named after her. Ada Lovelace House is a council-owned building in <a href="/facts/Kirkby-in-Ashfield/qRaV7AmL">Kirkby-in-Ashfield</a>, Nottinghamshire, near where Lovelace spent her infancy.<a class="footnote-ref" id="fnref:122" href="#fn:122">122</a><a class="footnote-ref" id="fnref:123" href="#fn:123">123</a>
In 2012, a <a href="/facts/Google_Doodle/3wysmHgU">Google Doodle</a> and blog post honoured her on her birthday.<a class="footnote-ref" id="fnref:124" href="#fn:124">124</a><a class="footnote-ref" id="fnref:125" href="#fn:125">125</a> In 2013, <a href="/facts/Ada_Developers_Academy/YsuQKcAx">Ada Developers Academy</a> was founded and named after her. Its mission is to diversify tech by providing women and gender-diverse people the skills, experience, and community support to become professional software developers to change the face of tech.<a class="footnote-ref" id="fnref:126" href="#fn:126">126</a> On 17 September 2013, the <a href="/facts/BBC_Radio_4/7jFBld49">BBC Radio 4</a> biography programme <a href="/facts/Great_Lives/U3AKBvH0">Great Lives</a> devoted an episode to Ada Lovelace; she was sponsored by TV presenter <a href="/facts/Konnie_Huq/RAUN76XE">Konnie Huq</a>.<a class="footnote-ref" id="fnref:127" href="#fn:127">127</a>

As of November 2015, all new <a href="/facts/British_passport/gGsXjpbG">British passports</a> have included an illustration of Lovelace and Babbage.<a class="footnote-ref" id="fnref:128" href="#fn:128">128</a><a class="footnote-ref" id="fnref:129" href="#fn:129">129</a> In 2017, a Google Doodle honoured her with other women on <a href="/facts/International_Women%2527s_Day/AGE0QUxf">International Women's Day</a>.<a class="footnote-ref" id="fnref:130" href="#fn:130">130</a> On 2 February 2018, <a href="/facts/Satellogic/7al7azkH">Satellogic</a>, a high-resolution <a href="/facts/Earth_observation/XaFvkHl1">Earth observation</a> imaging and analytics company, launched a <a href="/facts/%25C3%2591uSat/07fxh3s1">ÑuSat</a> type <a href="/facts/Small_satellite/vXN5EwvX">micro-satellite</a> named in honour of Ada Lovelace.<a class="footnote-ref" id="fnref:131" href="#fn:131">131</a> In March 2018, <a href="/facts/The_New_York_Times/T9marWVX">The New York Times</a> published a belated obituary for Ada Lovelace.<a class="footnote-ref" id="fnref:132" href="#fn:132">132</a>
On 27 July 2018, <a href="/facts/Ron_Wyden/IctyChLB">Senator Ron Wyden</a> submitted, in the <a href="/facts/United_States_Senate/VyzXHE01">United States Senate</a>, the designation of 9 October 2018 as National Ada Lovelace Day: "To honor the life and contributions of Ada Lovelace as a leading woman in science and mathematics". The resolution (S.Res.592)<a class="footnote-ref" id="fnref:133" href="#fn:133">133</a> was considered, and agreed to without amendment and with a preamble by unanimous consent. In November 2020 it was announced that <a href="/facts/Trinity_College_Dublin/uoLh9Nsn">Trinity College Dublin</a>, whose library had previously held forty busts, all of them of men, was commissioning four new busts of women, one of whom was to be Lovelace.<a class="footnote-ref" id="fnref:134" href="#fn:134">134</a>

In March 2022, a statue of Ada Lovelace was installed at the site of the former Ergon House in the <a href="/facts/City_of_Westminster/8pvuYHq2">City of Westminster</a>, London, honoring its scientific history. The redevelopment was part of a complex with <a href="/facts/Imperial_Chemical_House/TA7n11hy">Imperial Chemical House</a>.<a class="footnote-ref" id="fnref:135" href="#fn:135">135</a> The statue was sculpted by Etienne and Mary Millner and based on the portrait by <a href="/facts/Margaret_Sarah_Carpenter/EuLyk8Yz">Margaret Sarah Carpenter</a>. The sculpture was unveiled on International Women's Day, 2022. It stands on the 7th floor of Millbank Quarter overlooking the junction of Dean Bradley Street and <a href="/facts/Horseferry_Road/8THPgpAc">Horseferry Road</a>.<a class="footnote-ref" id="fnref:136" href="#fn:136">136</a>
In September 2022, <a href="/facts/Nvidia/8QfCgqbu">Nvidia</a> announced the <a href="/facts/Ada_Lovelace_(microarchitecture)/mb9xGgK6">Ada Lovelace</a> <a href="/facts/Graphics_processing_unit/PTK1RQVp">graphics processing unit</a> <a href="/facts/Microarchitecture/NFRd4NUL">(GPU) microarchitecture</a>.<a class="footnote-ref" id="fnref:137" href="#fn:137">137</a> In July 2023, the <a href="/facts/Royal_Mint/GF1D247S">Royal Mint</a> issued four commemorative <a href="/facts/Commemorative_coins_of_the_United_Kingdom/Xo36MnL4">£2 coins</a> in various metals to "honour the innovative contributions of computer science visionary Ada Lovelace and her legacy as a female trailblazer."<a class="footnote-ref" id="fnref:138" href="#fn:138">138</a>

<h3>Bicentenary (2015)</h3>
The <a href="/facts/Anniversary/dXsq9vHt">bicentenary</a> of Ada Lovelace's birth was celebrated with a number of events, including:<a class="footnote-ref" id="fnref:139" href="#fn:139">139</a>

<ul><li>The Ada Lovelace Bicentenary Lectures on <a href="/facts/Computability/VpnJUkPN">Computability</a>, <a href="/facts/Israel_Institute_for_Advanced_Studies/G35vTURl">Israel Institute for Advanced Studies</a>, 20 December 2015 – 31 January 2016.<a class="footnote-ref" id="fnref:140" href="#fn:140">140</a><a class="footnote-ref" id="fnref:141" href="#fn:141">141</a></li>
<li>Ada Lovelace Symposium, <a href="/facts/University_of_Oxford/ExVVQL6V">University of Oxford</a>, 13–14 October 2015.<a class="footnote-ref" id="fnref:142" href="#fn:142">142</a></li>
<li>Ada.Ada.Ada, a one-woman show about the life and work of Ada Lovelace (using an LED dress), premiered at <a href="/facts/Edinburgh_International_Science_Festival/MnWrYyWa">Edinburgh International Science Festival</a> on 11 April 2015,<a class="footnote-ref" id="fnref:143" href="#fn:143">143</a> and continued to touring internationally to promote diversity on STEM at technology conferences,<a class="footnote-ref" id="fnref:144" href="#fn:144">144</a><a class="footnote-ref" id="fnref:145" href="#fn:145">145</a> businesses, government and educational organisations.<a class="footnote-ref" id="fnref:146" href="#fn:146">146</a><a class="footnote-ref" id="fnref:147" href="#fn:147">147</a></li></ul>
Special exhibitions were displayed by the <a href="/facts/Science_Museum%2c_London/1mwwq0oj">Science Museum</a> in London, England<a class="footnote-ref" id="fnref:148" href="#fn:148">148</a> and the <a href="/facts/Weston_Library/hR5EnUBX">Weston Library</a> (part of the <a href="/facts/Bodleian_Library/wxknaMJk">Bodleian Library</a>) in <a href="/facts/Oxford/kHvWDTXW">Oxford</a>, England.<a class="footnote-ref" id="fnref:149" href="#fn:149">149</a>

<h2 id="in-popular-culture">In popular culture</h2>

<h3>Novels and plays</h3>
Lovelace is portrayed in <a href="/facts/Romulus_Linney_(playwright)/bUy7XCmx">Romulus Linney</a>'s 1977 play <a href="/facts/Childe_Byron/IN9aSP4y">Childe Byron</a>.<a class="footnote-ref" id="fnref:150" href="#fn:150">150</a> In <a href="/facts/Tom_Stoppard/yqXtPQBr">Tom Stoppard</a>'s 1993 play <a href="/facts/Arcadia_(play)/pohWEIyV">Arcadia</a>, the precocious teenage genius Thomasina Coverly—a character "apparently based" on Ada Lovelace (the play also involves <a href="/facts/Lord_Byron/sajTBMxU">Lord Byron</a>)—comes to understand <a href="/facts/Chaos_theory/LTC17vsF">chaos theory</a>, and theorises the <a href="/facts/Second_law_of_thermodynamics/m7SJ2eeH">second law of thermodynamics</a>, before either is officially recognised.<a class="footnote-ref" id="fnref:151" href="#fn:151">151</a><a class="footnote-ref" id="fnref:152" href="#fn:152">152</a>
In the 1990 <a href="/facts/Steampunk/fdTN4sDB">steampunk</a> novel <a href="/facts/The_Difference_Engine/y0r2SyIH">The Difference Engine</a> by <a href="/facts/William_Gibson/yyVXYSfb">William Gibson</a> and <a href="/facts/Bruce_Sterling/cTrHhRnn">Bruce Sterling</a>,<a class="footnote-ref" id="fnref:153" href="#fn:153">153</a> Lovelace delivers a lecture on the "punched cards" programme which proves <a href="/facts/G%25C3%25B6del%2527s_incompleteness_theorems/du8PRu8g">Gödel's incompleteness theorems</a> decades before their actual discovery. Lovelace and <a href="/facts/Mary_Shelley/Pen5dCkU">Mary Shelley</a> as teenagers are the central characters in <a href="/facts/Jordan_Stratford/cYNrH2LJ">Jordan Stratford</a>'s steampunk series, The Wollstonecraft Detective Agency.<a class="footnote-ref" id="fnref:154" href="#fn:154">154</a>
Lovelace features in <a href="/facts/John_Crowley_(author)/jpRVD0e9">John Crowley</a>'s 2005 novel, Lord Byron's Novel: The Evening Land, as an unseen character whose personality is forcefully depicted in her annotations and anti-heroic efforts to archive her father's lost novel.<a class="footnote-ref" id="fnref:155" href="#fn:155">155</a>
The 2015 play Ada and the Engine by <a href="/facts/Lauren_Gunderson/zgl0G4me">Lauren Gunderson</a> portrays Lovelace and Charles Babbage in unrequited love, and it imagines a post-death meeting between Lovelace and her father.<a class="footnote-ref" id="fnref:156" href="#fn:156">156</a><a class="footnote-ref" id="fnref:157" href="#fn:157">157</a> Lovelace and Babbage are also the main characters in <a href="/facts/Sydney_Padua/TU68DYfD">Sydney Padua</a>'s webcomic and graphic novel <a href="/facts/The_Thrilling_Adventures_of_Lovelace_and_Babbage/Wd8y1mJr">The Thrilling Adventures of Lovelace and Babbage</a>. The comic features extensive footnotes on the history of Ada Lovelace, and many lines of dialogue are drawn from actual correspondence.<a class="footnote-ref" id="fnref:158" href="#fn:158">158</a>

<h3>Film and television</h3>
In the 1997 film <a href="/facts/Conceiving_Ada/plRTDltN">Conceiving Ada</a>, a computer scientist obsessed with Ada finds a way of communicating with her in the past by means of "undying information waves".<a class="footnote-ref" id="fnref:159" href="#fn:159">159</a>
Lovelace, identified as Ada Augusta Byron, is portrayed by Lily Lesser in the second series of <a href="/facts/The_Frankenstein_Chronicles/uW6tqzXf">The Frankenstein Chronicles</a> aired on ITV in 2017.<a class="footnote-ref" id="fnref:160" href="#fn:160">160</a> She is employed as an "analyst" to provide the workings of a life-sized humanoid automaton. The brass workings of the machine are reminiscent of Babbage's analytical engine. Her employment is described as keeping her occupied until she returns to her studies in advanced mathematics.<a class="footnote-ref" id="fnref:161" href="#fn:161">161</a>
Lovelace and Babbage appear as characters in the <a href="/facts/Victoria_(British_TV_series)/UWNKuucp">second season</a> of the ITV series <a href="/facts/Victoria_(UK_TV_series)/UWNKuucp">Victoria</a> (2017). <a href="/facts/Emerald_Fennell/A8k9aw3J">Emerald Fennell</a> portrays Lovelace in the episode, "The Green-Eyed Monster."<a class="footnote-ref" id="fnref:162" href="#fn:162">162</a>
"Lovelace" is the name of the operating system designed by the character Cameron Howe in <a href="/facts/Halt_and_Catch_Fire_(TV_series)/DR5Mc8ql">Halt and Catch Fire</a>, which aired on <a href="/facts/AMC_(TV_channel)/5KLqR7mv">AMC</a> in the US in 2015.<a class="footnote-ref" id="fnref:163" href="#fn:163">163</a>
Lovelace features as a character in "<a href="/facts/Spyfall_(Doctor_Who)/bCadM1mW">Spyfall, Part 2</a>", the second episode of <a href="/facts/Doctor_Who_(series_12)/hc65cJKq">Doctor Who, series 12</a>, which first aired on <a href="/facts/BBC_One/t4SaSm6X">BBC One</a> on 5 January 2020.<a class="footnote-ref" id="fnref:164" href="#fn:164">164</a> The character was portrayed by Sylvie Briggs, alongside characterisations of Charles Babbage and <a href="/facts/Noor_Inayat_Khan/6W8woqto">Noor Inayat Khan</a>.<a class="footnote-ref" id="fnref:165" href="#fn:165">165</a>

<h3>Computing and STEM</h3>
<ul><li><a href="/facts/Ada_Lovelace_Day/s3c2GGRu">Ada Lovelace Day</a></li>
<li>A <a href="/facts/Computer_language/n3L56qdP">computer language</a>, initially developed by the <a href="/facts/United_States_Department_of_Defense/dWAvf7e3">US Department of Defense</a>, is called <a href="/facts/Ada_(programming_language)/Y2yHel4l">Ada</a>.</li>
<li>The <a href="/facts/Lovelace_Medal/FxtcqNA7">Lovelace Medal</a> awarded by the <a href="/facts/British_Computer_Society/2Fy6gNq9">British Computer Society</a> (BCS).</li>
<li>The Lovelace Lectures at the BCS sponsored by the <a href="/facts/Alan_Turing_Institute/CFqFw6RB">Alan Turing Institute</a>.<a class="footnote-ref" id="fnref:166" href="#fn:166">166</a></li>
<li>The Lovelace Lectures at <a href="/facts/Durham_University/VJHcWdkh">Durham University</a>.<a class="footnote-ref" id="fnref:167" href="#fn:167">167</a></li>
<li>The <a href="/facts/Ada_Lovelace_Award/jr16WfYm">Ada Lovelace Award</a> awarded by the <a href="/facts/Association_for_Women_in_Computing/fR62wySM">Association for Women in Computing</a></li>
<li>The <a href="/facts/Ada_Initiative/VPV4n5n6">Ada Initiative</a> supporting open technology and women is named after her.</li>
<li>Ada Lovelace Building, the engineering mathematics building at the <a href="/facts/University_of_Bristol/naU7Gvlc">University of Bristol</a>.<a class="footnote-ref" id="fnref:168" href="#fn:168">168</a></li>
<li>Ada Lovelace Building, in <a href="/facts/Exeter_Science_Park/Ro0G5Hzx">Exeter Science Park</a>.<a class="footnote-ref" id="fnref:169" href="#fn:169">169</a></li>
<li>Ada Byron Building, in the Department of Computer Science and Systems Engineering at the <a href="/facts/University_of_Zaragoza/vMASCeqd">University of Zaragoza</a>.<a class="footnote-ref" id="fnref:170" href="#fn:170">170</a></li>
<li>Ada Byron Research Centre in <a href="/facts/University_of_Malaga/WQ63C53b">University of Malaga</a>, <a href="/facts/Andaluc%25C3%25ADa/nkw5oWrL">Andalucía</a>.<a class="footnote-ref" id="fnref:171" href="#fn:171">171</a></li>
<li>Ada Lovelace Institute, a think tank dedicated to ensuring data and AI work for people and society.<a class="footnote-ref" id="fnref:172" href="#fn:172">172</a></li>
<li>Ada Lovelace Centre for Digital Scholarship, Oxford</li>
<li>Ada Lovelace Center for Digital Humanities at the <a href="/facts/FU_Berlin/SmAKBFQn">FU Berlin</a>.<a class="footnote-ref" id="fnref:173" href="#fn:173">173</a></li>
<li>ADA Lovelace Centre for Analytics, Data, Applications at <a href="/facts/Fraunhofer_IIS/JS0cK2Qo">Fraunhofer IIS</a> originally called the ADA Lovelace Centre for Artificial Intelligence.<a class="footnote-ref" id="fnref:174" href="#fn:174">174</a></li>
<li>Ada Lovelace Excellence Scholarship at the <a href="/facts/University_of_Southampton/PVb6rV2E">University of Southampton</a>.<a class="footnote-ref" id="fnref:175" href="#fn:175">175</a></li>
<li><a href="/facts/Adafruit_Industries/wKs6V9Tt">Adafruit Industries</a></li>
<li>Ada Lovelace Centre, part of the <a href="/facts/Science_and_Technology_Facilities_Council/kV0mrV2t">Science and Technology Facilities Council</a>, a UK government agency that carries out research in science and engineering.<a class="footnote-ref" id="fnref:176" href="#fn:176">176</a></li>
<li>The <a href="/facts/Cardano_(blockchain_platform)/0kYlFbI4">Cardano cryptocurrency platform</a>, launched in 2017, uses Ada as the name for the <a href="/facts/Cryptocurrency/Rg6JAS8y">cryptocurrency</a> and Lovelace as the smallest sub-unit of an Ada.<a class="footnote-ref" id="fnref:177" href="#fn:177">177</a></li>
<li>Ada, an artwork incorporating artificial intelligence house at <a href="/facts/Microsoft/nGIDDXdx">Microsoft</a>'s Building 99.<a class="footnote-ref" id="fnref:178" href="#fn:178">178</a></li>
<li>In 2021, the code name of <a href="/facts/Nvidia/8QfCgqbu">Nvidia</a>'s <a href="/facts/Graphics_processing_unit/PTK1RQVp">GPU</a> architecture in its <a href="/facts/GeForce_40_series/ye41auEe">RTX 4000</a> series is <a href="/facts/Ada_Lovelace_(microarchitecture)/mb9xGgK6">Ada Lovelace</a>. It is the first Nvidia architecture to feature both a first and last name.<a class="footnote-ref" id="fnref:179" href="#fn:179">179</a><a class="footnote-ref" id="fnref:180" href="#fn:180">180</a></li>
<li>Ada Byron University Programming Contest at the <a href="/facts/Polytechnic_University_of_Valencia/mGRvmXHN">Polytechnic University of Valencia</a>.<a class="footnote-ref" id="fnref:181" href="#fn:181">181</a></li></ul>
<h3>Other</h3>

<ul><li>A green plaque is to be found on Fordhook Avenue on the corner of 5 Station Parade, <a href="/facts/Uxbridge_Road/zUCVVKu1">Uxbridge Road</a>, Ealing.</li>
<li><a href="/facts/Blue_plaque/8VXfKyW9">Blue plaques</a> are at <a href="/facts/Mallory_Park/cX5jDDa7">Mallory Park</a> and <a href="/facts/St_James%2527s_Square/w4TdxSH5">St James's Square</a>.</li>
<li>Ada Lovelace C of E High School in <a href="/facts/Greenford/Qb0hS4mX">Greenford</a>, specialising in music, digital technologies and languages.<a class="footnote-ref" id="fnref:182" href="#fn:182">182</a></li>
<li>Ada Lovelace House, council offices in <a href="/facts/Nottinghamshire/maY0RSJn">Nottinghamshire</a>,<a class="footnote-ref" id="fnref:183" href="#fn:183">183</a> later proposed to be let to small business.<a class="footnote-ref" id="fnref:184" href="#fn:184">184</a><a class="footnote-ref" id="fnref:185" href="#fn:185">185</a></li>
<li>Ada Byron King Building at <a href="/facts/Nottingham_Trent_University/qcE8Woz3">Nottingham Trent University</a></li>
<li>Ada Lovelace Suite at <a href="/facts/Seaham_Hall/tvFcxh82">Seaham Hall</a>.<a class="footnote-ref" id="fnref:186" href="#fn:186">186</a></li>
<li>The Lovelace Memorial is a Grade II Listed monument in <a href="/facts/Kirkby_Mallory/Hy90RUTz">Kirkby Mallory</a>.<a class="footnote-ref" id="fnref:187" href="#fn:187">187</a></li>
<li>A clone of Ada Lovelace appears in the 2023 video game <a href="/facts/Starfield_(video_game)/eBI3pGIL">Starfield</a> <a class="footnote-ref" id="fnref:188" href="#fn:188">188</a></li>
<li>Ada Lovelace is a playable leader in <a href="/facts/Sid_Meier%2527s_Civilization_VII/QcISJ5kt">Sid Meier's Civilization VII</a>.<a class="footnote-ref" id="fnref:189" href="#fn:189">189</a></li></ul>
<h2 id="publications">Publications</h2>
<ul><li>Lovelace, Ada King. Ada, the Enchantress of Numbers: A Selection from the Letters of Lord Byron's Daughter and her Description of the First Computer. Mill Valley, CA: Strawberry Press, 1992. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-912647-09-8.</li>
<li>Menabrea, Luigi Federico; Lovelace, Ada (1843). <a href="https://web.archive.org/web/20230529203029/https://www.fourmilab.ch/babbage/sketch.html">"Sketch of the Analytical Engine invented by Charles Babbage... with notes by the translator. Translated by Ada Lovelace"</a>. In Richard Taylor (ed.). Scientific Memoirs. Vol. 3. London: Richard and John E. Taylor. pp. 666–731. Archived from <a href="http://www.fourmilab.ch/babbage/sketch.html">the original</a> on 29 May 2023.
<ul><li>Also available on Wikisource: The Menebrea article, The notes by Ada Lovelace.</li></ul></li></ul>
<h3>Publication history</h3>
Six copies of the 1843 first edition of Sketch of the Analytical Engine with Ada Lovelace's "Notes"<a class="footnote-ref" id="fnref:190" href="#fn:190">190</a> have been located. Three are held at Harvard University, one at the University of Oklahoma, and one at the United States Air Force Academy.<a class="footnote-ref" id="fnref:191" href="#fn:191">191</a> On 20 July 2018, the sixth copy was sold at auction to an anonymous buyer for £95,000.<a class="footnote-ref" id="fnref:192" href="#fn:192">192</a> A digital facsimile of one of the copies in the Harvard University Library is available online.
In December 2016, a letter written by Ada Lovelace was forfeited by <a href="/facts/Martin_Shkreli/zDX15wvJ">Martin Shkreli</a> to the New York State Department of Taxation and Finance for unpaid taxes owed by Shkreli.<a class="footnote-ref" id="fnref:193" href="#fn:193">193</a>

<h2 id="see-also">See also</h2>

<ul><li><a href="/facts/Ai-Da/GuTL1xPw">Ai-Da</a> – humanoid robot, completed in 2019</li>
<li><a href="/facts/Code%3a_Debugging_the_Gender_Gap/8dPc84hA">Code: Debugging the Gender Gap</a></li>
<li><a href="/facts/List_of_pioneers_in_computer_science/XlurWBLL">List of pioneers in computer science</a></li>
<li><a href="/facts/Timeline_of_women_in_science/hpNvFr0W">Timeline of women in science</a></li>
<li><a href="/facts/Women_in_computing/TnhJ4EbQ">Women in computing</a></li>
<li><a href="/facts/Women_in_STEM_fields/WllVeQxK">Women in STEM fields</a></li></ul>

<h2 id="explanatory-notes">Explanatory notes</h2>

<h3>Citations</h3>

<h3>General and cited sources</h3>

<ul><li>Baum, Joan (1986), <a href="https://archive.org/details/calculatingpassi00baum">The Calculating Passion of Ada Byron</a>, Archon, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-208-02119-9.</li>
<li>Elwin, Malcolm (1975), Lord Byron's Family, John Murray.</li>
<li>Essinger, James (2014), Ada's algorithm: How Lord Byron's daughter Ada Lovelace launched the digital age, Melville House Publishing, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-1-61219-408-0.</li>
<li>Fuegi, J; Francis, J (October–December 2003), <a href="https://web.archive.org/web/20200215003909/https://pdfs.semanticscholar.org/81bb/f32d2642a7a8c6b0a867379a4e9e99d872bc.pdf">"Lovelace & Babbage and the creation of the 1843 'notes'"</a> (PDF), Annals of the History of Computing, 25 (4): 16–26, <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1109%2FMAHC.2003.1253887">10.1109/MAHC.2003.1253887</a>, <a href="/facts/S2CID_(identifier)/ldJsHa2Y">S2CID</a> <a href="https://api.semanticscholar.org/CorpusID:40077111">40077111</a>, archived from <a href="https://pdfs.semanticscholar.org/81bb/f32d2642a7a8c6b0a867379a4e9e99d872bc.pdf">the original</a> (PDF) on 15 February 2020.</li>
<li>Hammerman, Robin; Russell, Andrew L. (2015), Hammerman, Robin; Russell, Andrew L. (eds.), Ada's Legacy: Cultures of Computing from the Victorian to the Digital Age, Association for Computing Machinery and Morgan & Claypool, <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1145%2F2809523">10.1145/2809523</a>, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-1-970001-51-8, <a href="/facts/S2CID_(identifier)/ldJsHa2Y">S2CID</a> <a href="https://api.semanticscholar.org/CorpusID:62018931">62018931</a>.</li>
<li>Isaacson, Walter (2014), The Innovators: How a Group of Hackers, Geniuses, and Geeks Created the Digital Revolution, Simon & Schuster.</li>
<li>Kim, Eugene; Toole, Betty Alexandra (1999). "Ada and the First Computer". Scientific American. 280 (5): 66–71. <a href="/facts/Bibcode_(identifier)/9HtdQSGB">Bibcode</a>:<a href="https://ui.adsabs.harvard.edu/abs/1999SciAm.280e..76E">1999SciAm.280e..76E</a>. <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1038%2Fscientificamerican0599-76">10.1038/scientificamerican0599-76</a>.</li>
<li>Lewis, Judith S. (July–August 1995). "Princess of Parallelograms and her daughter: Math and gender in the nineteenth century English aristocracy". <a href="/facts/Women%2527s_Studies_International_Forum/BUNArILg">Women's Studies International Forum</a>. 18 (4): 387–394. <a href="/facts/Doi_(identifier)/muM9Etpq">doi</a>:<a href="https://doi.org/10.1016%2F0277-5395%2895%2980030-S">10.1016/0277-5395(95)80030-S</a>.</li>
<li>Marchand, Leslie (1971), Byron A Portrait, John Murray.</li>
<li><a href="/facts/Luigi_Federico_Menabrea/daUUhs3v">Menabrea, Luigi Federico</a> (1843), <a href="http://www.fourmilab.ch/babbage/sketch.html">"Sketch of the Analytical Engine Invented by Charles Babbage"</a>, <a href="/facts/Scientific_Memoirs/4fIr0jJ0">Scientific Memoirs</a>, 3, <a href="https://web.archive.org/web/20080915134651/http://www.fourmilab.ch/babbage/sketch.html">archived</a> from the original on 15 September 2008, retrieved 29 August 2008 With notes upon the memoir by the translator.</li>
<li>Miller, Clair Cain. <a href="https://www.nytimes.com/interactive/2018/obituaries/overlooked-ada-lovelace.html">"Ada Lovelace, 1815–1852,"</a> New York Times, 8 March 2018.</li>
<li>Moore, Doris Langley (1977), Ada, Countess of Lovelace, John Murray, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 0-7195-3384-8.</li>
<li>Moore, Doris Langley (1961), The Late Lord Byron, Philadelphia: Lippincott, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-06-013013-8, <a href="/facts/OCLC_(identifier)/Yqad8waq">OCLC</a> <a href="https://search.worldcat.org/oclc/358063">358063</a> {{citation}}: ISBN / Date incompatibility (help).</li>
<li>Stein, Dorothy (1985), <a href="https://archive.org/details/adalifeandlegacy00stei">Ada: A Life and a Legacy</a>, MIT Press Series in the History of Computing, Cambridge, <a href="/facts/Massachusetts/9uumCbFI">MA</a>: The MIT Press, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-262-19242-2.</li>
<li>Toole, Betty Alexandra (1992), <a href="https://books.google.com/books?id=wlZQAAAAMAAJ">Ada, the Enchantress of Numbers: A Selection from the Letters of Ada Lovelace, and her Description of the First Computer</a>, Strawberry Press, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-912647-09-8.</li>
<li>Toole, Betty Alexandra (1998), <a href="https://books.google.com/books?id=gnvZAAAAMAAJ">Ada, the Enchantress of Numbers: Prophet of the Computer Age</a>, Strawberry Press, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-912647-18-0.</li>
<li>Turney, Catherine (1972), <a href="https://books.google.com/books?id=eE1aAAAAMAAJ">Byron's Daughter: A Biography of Elizabeth Medora Leigh</a>, Scribner, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-684-12753-8</li>
<li>Woolley, Benjamin (February 1999), <a href="https://books.google.com/books?id=K8-sQgAACAAJ">The Bride of Science: Romance, Reason, and Byron's Daughter</a>, AU: Pan Macmillan, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-333-72436-1, retrieved 7 April 2013.</li>
<li>Woolley, Benjamin (February 2002) [1999], <a href="https://books.google.com/books?id=VGMFAAAACAAJ">The Bride of Science: Romance, Reason, and Byron's Daughter</a>, McGraw-Hill Ryerson, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-0-07-138860-3, retrieved 7 April 2013.</li></ul>

<h2 id="further-reading">Further reading</h2>
<ul><li><a href="/facts/Jennifer_Chiaverini/nv75Qdsr">Jennifer Chiaverini</a>, 2017, Enchantress of Numbers, <a href="/facts/E._P._Dutton/Jx5AW1JV">Dutton</a>, 426 pp.</li>
<li>Christopher Hollings, <a href="/facts/Ursula_Martin/13NbPtYF">Ursula Martin</a>, and Adrian Rice, 2018, Ada Lovelace: The Making of a Computer Scientist, <a href="/facts/Bodleian_Library/wxknaMJk">Bodleian Library</a>, 114 pp.</li>
<li><a href="/facts/Miranda_Seymour/gjCk8RAy">Miranda Seymour</a>, 2018, In Byron's Wake: The Turbulent Lives of Byron's Wife and Daughter: Annabella Milbanke and Ada Lovelace, Pegasus, 547 pp.</li>
<li><a href="/facts/Jenny_Uglow/mqA5mehj">Jenny Uglow</a> (22 November 2018), "Stepping Out of Byron's Shadow", <a href="/facts/The_New_York_Review_of_Books/jvHxU3fn">The New York Review of Books</a>, vol. LXV, no. 18, pp. 30–32.</li></ul>
<h2 id="external-links">External links</h2>

Wikiquote has quotations related to Ada Lovelace.

English <a href="/facts/Wikisource/TrMdylNf">Wikisource</a> has original text related to this article:
Author:Augusta Ada Byron

Wikimedia Commons has media related to Ada Lovelace.

<ul><li><a href="https://www.siliconrepublic.com/video/adas-army-zoe-philpott">"Ada's Army gets set to rewrite history at Inspirefest 2018"</a> by Luke Maxwell, 4 August 2018</li>
<li><a href="https://openlibrary.org/authors/OL776398A">Works by Ada Lovelace</a> at <a href="/facts/Open_Library/A13NLNNh">Open Library</a></li>
<li>"<a href="http://blog.stephenwolfram.com/2015/12/untangling-the-tale-of-ada-lovelace/">Untangling the Tale of Ada Lovelace</a>" by <a href="/facts/Stephen_Wolfram/pJTChkGB">Stephen Wolfram</a>, December 2015</li>
<li><a href="https://web.archive.org/web/20181225024327/https://www.sdsc.edu/ScienceWomen/lovelace.html%20">"Ada Lovelace: Founder of Scientific Computing"</a>. Women in Science. SDSC. Archived from <a href="http://www.sdsc.edu/ScienceWomen/lovelace.html">the original</a> on 25 December 2018. Retrieved 17 August 2001.</li>
<li><a href="http://www.agnesscott.edu/lriddle/women/love.htm">"Ada Byron, Lady Lovelace"</a>. Biographies of Women Mathematicians. <a href="/facts/Agnes_Scott_College/oT9Lz8qy">Agnes Scott College</a>.</li>
<li><a href="http://archive.wikiwix.com/cache/20120424131314/http://archiveshub.ac.uk/data/gb161dep.lovelacebyron1-460">"Papers of the Noel, Byron and Lovelace families"</a>. UK: Archives hub. Archived from <a href="http://archiveshub.ac.uk/data/gb161dep.lovelacebyron1-460">the original</a> (archive) on 24 April 2012.</li>
<li><a href="http://www.computerhistory.org/babbage/adalovelace/">"Ada Lovelace & The Analytical Engine"</a>. Babbage. Computer History.</li>
<li><a href="https://web.archive.org/web/20090810090713/http://net.educause.edu/apps/er/review/reviewArticles/31240.html">"Ada & the Analytical Engine"</a>. Educause. Archived from <a href="http://net.educause.edu/apps/er/review/reviewArticles/31240.html">the original</a> (archive) on 10 August 2009.</li>
<li><a href="https://web.archive.org/web/20181225024305/https://www.syfy.com/syfywire/games">"Ada Lovelace, Countess of Controversy"</a>. Tech TV vault. G4 TV. Archived from <a href="http://www.g4tv.com/techtvvault/features/27659/Ada_Lovelace_Countess_of_Controversy.html">the original</a> on 25 December 2018. Retrieved 25 February 2007.</li>
<li><a href="https://www.bbc.co.uk/radio4/history/inourtime/inourtime_20080306.shtml">"Ada Lovelace"</a> (streaming). In Our Time (audio). UK: <a href="/facts/BBC_Radio_4/7jFBld49">BBC Radio 4</a>. 6 March 2008.</li>
<li><a href="http://www.cs.yale.edu/homes/tap/Files/ada-lovelace-notes.html">"Ada Lovelace's Notes and The Ladies Diary"</a>. Yale.</li>
<li><a href="https://www.youtube.com/watch?v=hRmEYMiphoU">"The fascinating story Ada Lovelace"</a>. Sabine Allaeys. 13 September 2015 – via <a href="/facts/YouTube/db276jst">YouTube</a>.</li>
<li><a href="http://www.brainpickings.org/index.php/2013/12/10/ada-lovelace-science-religion-letter/">"Ada Lovelace, the World's First Computer Programmer, on Science and Religion"</a>. Maria Popova (Brain). 10 December 2013.</li>
<li><a href="http://www.brainpickings.org/2014/12/10/ada-lovelace-walter-isaacson-innovators/">"How Ada Lovelace, Lord Byron's Daughter, Became the World's First Computer Programmer"</a>. Maria Popova (Brain). 10 December 2014.</li>
<li>O'Connor, John J.; <a href="/facts/Edmund_F._Robertson/jQMcnY79">Robertson, Edmund F.</a>, <a href="https://mathshistory.st-andrews.ac.uk/Biographies/Lovelace.html">"Ada Lovelace"</a>, <a href="/facts/MacTutor_History_of_Mathematics_Archive/xtwLmN5q">MacTutor History of Mathematics Archive</a>, <a href="/facts/University_of_St_Andrews/IwXjmljw">University of St Andrews</a></li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1">"Ada Lovelace Biography". biography.com. 6 May 2021. <a href="https://www.biography.com/people/ada-lovelace-20825323" target="_blank">https://www.biography.com/people/ada-lovelace-20825323</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></li>
<li id="fn:2">Toole, Betty Alexandra (1987), "Poetical Science", The Byron Journal, 15: 55–65, doi:10.3828/bj.1987.6. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></li>
<li id="fn:3">Toole 1998, pp. 234–235. - Toole, Betty Alexandra (1998), Ada, the Enchantress of Numbers: Prophet of the Computer Age, Strawberry Press, ISBN 978-0-912647-18-0 <a href="https://books.google.com/books?id=gnvZAAAAMAAJ" target="_blank">https://books.google.com/books?id=gnvZAAAAMAAJ</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></li>
<li id="fn:4">Toole 1998, pp. 156–157. - Toole, Betty Alexandra (1998), Ada, the Enchantress of Numbers: Prophet of the Computer Age, Strawberry Press, ISBN 978-0-912647-18-0 <a href="https://books.google.com/books?id=gnvZAAAAMAAJ" target="_blank">https://books.google.com/books?id=gnvZAAAAMAAJ</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></li>
<li id="fn:5">Toole, Betty Alexandra (2010). Ada, the Enchantress of Numbers:Poetical Science (Kindle ed.). Critical Connection. pp. Location 641. <a href="#fnref:5" class="footnote-back-ref">↩</a></li>
<li id="fn:6">Fuegi & Francis 2003, pp. 19, 25. - Fuegi, J; Francis, J (October–December 2003), "Lovelace & Babbage and the creation of the 1843 'notes'" (PDF), Annals of the History of Computing, 25 (4): 16–26, doi:10.1109/MAHC.2003.1253887, S2CID 40077111, archived from the original (PDF) on 15 February 2020 <a href="https://web.archive.org/web/20200215003909/https://pdfs.semanticscholar.org/81bb/f32d2642a7a8c6b0a867379a4e9e99d872bc.pdf" target="_blank">https://web.archive.org/web/20200215003909/https://pdfs.semanticscholar.org/81bb/f32d2642a7a8c6b0a867379a4e9e99d872bc.pdf</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></li>
<li id="fn:7">Toole, Betty Alexandra (1987), "Poetical Science", The Byron Journal, 15: 55–65, doi:10.3828/bj.1987.6. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></li>
<li id="fn:8">Turney 1972, p. 35. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></li>
<li id="fn:9">Stein 1985, p. 17. - Stein, Dorothy (1985), Ada: A Life and a Legacy, MIT Press Series in the History of Computing, Cambridge, MA: The MIT Press, ISBN 978-0-262-19242-2 <a href="https://archive.org/details/adalifeandlegacy00stei" target="_blank">https://archive.org/details/adalifeandlegacy00stei</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></li>
<li id="fn:10">Turney 1972, p. 35. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></li>
<li id="fn:11">Stein 1985, p. 16. - Stein, Dorothy (1985), Ada: A Life and a Legacy, MIT Press Series in the History of Computing, Cambridge, MA: The MIT Press, ISBN 978-0-262-19242-2 <a href="https://archive.org/details/adalifeandlegacy00stei" target="_blank">https://archive.org/details/adalifeandlegacy00stei</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></li>
<li id="fn:12">Woolley 1999, p. 80. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></li>
<li id="fn:13">Turney 1972, pp. 36–38. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></li>
<li id="fn:14">Woolley 1999, pp. 74–77. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></li>
<li id="fn:15">Turney 1972, p. 138. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></li>
<li id="fn:16">Woolley 1999, p. 10. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></li>
<li id="fn:17">Woolley 1999, pp. 85–87. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></li>
<li id="fn:18">Woolley 1999, p. 86. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:18" class="footnote-back-ref">↩</a></li>
<li id="fn:19">Woolley 1999, p. 119. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:19" class="footnote-back-ref">↩</a></li>
<li id="fn:20">Stein 1985, p. 17. - Stein, Dorothy (1985), Ada: A Life and a Legacy, MIT Press Series in the History of Computing, Cambridge, MA: The MIT Press, ISBN 978-0-262-19242-2 <a href="https://archive.org/details/adalifeandlegacy00stei" target="_blank">https://archive.org/details/adalifeandlegacy00stei</a> <a href="#fnref:20" class="footnote-back-ref">↩</a></li>
<li id="fn:21">Toole, Betty Alexandra (1987), "Poetical Science", The Byron Journal, 15: 55–65, doi:10.3828/bj.1987.6. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:21" class="footnote-back-ref">↩</a></li>
<li id="fn:22">Woolley 1999, pp. 120–21. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:22" class="footnote-back-ref">↩</a></li>
<li id="fn:23">Turney 1972, p. 155. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:23" class="footnote-back-ref">↩</a></li>
<li id="fn:24">Woolley 1999, pp. 138–40. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:24" class="footnote-back-ref">↩</a></li>
<li id="fn:25">Turney 1972, p. 138. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:25" class="footnote-back-ref">↩</a></li>
<li id="fn:26">Turney 1972, pp. 138–39. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:26" class="footnote-back-ref">↩</a></li>
<li id="fn:27">Turney 1972, p. 139. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:27" class="footnote-back-ref">↩</a></li>
<li id="fn:28">A History of the County of Surrey: Volume 3. Parishes: East Horsley. Retrieved 26 February 2017. Horsley Towers is a large house standing in a park of 300 acres, the seat of the Earl of Lovelace. The old house was rebuilt about 1745. The present house was built by Sir Charles Barry for Mr. Currie on a new site, between 1820 and 1829, in Elizabethan style. Mr. Currie, who owned the combined manors, 1784–1829, rebuilt most of the houses in the village and restored the church. <a href="http://www.british-history.ac.uk/vch/surrey/vol3/pp349-352" target="_blank">http://www.british-history.ac.uk/vch/surrey/vol3/pp349-352</a> <a href="#fnref:28" class="footnote-back-ref">↩</a></li>
<li id="fn:29">Wright, Brian (2015). Andrew Crosse and the mite that shocked the world: The life and work of an electrical pioneer. Matador. p. 262. ISBN 978-1-78462-438-5. <a href="978-1-78462-438-5" target="_blank">978-1-78462-438-5</a> <a href="#fnref:29" class="footnote-back-ref">↩</a></li>
<li id="fn:30">Turney 1972, p. 139. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:30" class="footnote-back-ref">↩</a></li>
<li id="fn:31">"New York Fifty Years Ago". Macon Georgia Telegraph. Macon, Georgia. 9 April 1841. p. 3 – via NewspaperArchive.com. <a href="https://newspaperarchive.com/entertainment-clipping-apr-09-1841-1422479/" target="_blank">https://newspaperarchive.com/entertainment-clipping-apr-09-1841-1422479/</a> <a href="#fnref:31" class="footnote-back-ref">↩</a></li>
<li id="fn:32">Woolley 1999, pp. 285–86. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:32" class="footnote-back-ref">↩</a></li>
<li id="fn:33">Woolley 1999, pp. 289–96. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:33" class="footnote-back-ref">↩</a></li>
<li id="fn:34">Turney 1972, p. 159. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:34" class="footnote-back-ref">↩</a></li>
<li id="fn:35">Turney 1972, p. 160. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:35" class="footnote-back-ref">↩</a></li>
<li id="fn:36">Moore 1961, p. 431. - Moore, Doris Langley (1961), The Late Lord Byron, Philadelphia: Lippincott, ISBN 978-0-06-013013-8, OCLC 358063 <a href="https://search.worldcat.org/oclc/358063" target="_blank">https://search.worldcat.org/oclc/358063</a> <a href="#fnref:36" class="footnote-back-ref">↩</a></li>
<li id="fn:37">Woolley 1999, p. 302. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:37" class="footnote-back-ref">↩</a></li>
<li id="fn:38">Schaffer, Simon. "Babbage's Dancer". the hypermedia research centre. Archived from the original on 28 June 2003. Retrieved 4 August 2017. <a href="https://web.archive.org/web/20030628211849/http://www.hrc.wmin.ac.uk/theory-babbagesdancer-print.html" target="_blank">https://web.archive.org/web/20030628211849/http://www.hrc.wmin.ac.uk/theory-babbagesdancer-print.html</a> <a href="#fnref:38" class="footnote-back-ref">↩</a></li>
<li id="fn:39">Woolley 1999, pp. 340–42. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:39" class="footnote-back-ref">↩</a></li>
<li id="fn:40">Woolley 1999, pp. 336–37. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:40" class="footnote-back-ref">↩</a></li>
<li id="fn:41">Woolley 1999, p. 361. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:41" class="footnote-back-ref">↩</a></li>
<li id="fn:42">Turney 1972, p. 138. - Turney, Catherine (1972), Byron's Daughter: A Biography of Elizabeth Medora Leigh, Scribner, ISBN 978-0-684-12753-8 <a href="https://books.google.com/books?id=eE1aAAAAMAAJ" target="_blank">https://books.google.com/books?id=eE1aAAAAMAAJ</a> <a href="#fnref:42" class="footnote-back-ref">↩</a></li>
<li id="fn:43">Stein 1985, pp. 28–30. - Stein, Dorothy (1985), Ada: A Life and a Legacy, MIT Press Series in the History of Computing, Cambridge, MA: The MIT Press, ISBN 978-0-262-19242-2 <a href="https://archive.org/details/adalifeandlegacy00stei" target="_blank">https://archive.org/details/adalifeandlegacy00stei</a> <a href="#fnref:43" class="footnote-back-ref">↩</a></li>
<li id="fn:44">William King, her tutor, and William King, her future husband, were not related. <a href="#fnref:44" class="footnote-back-ref">↩</a></li>
<li id="fn:45">Thomas J. Misa, "Charles Babbage, Ada Lovelace, and the Bernoulli Numbers" in Ada's Legacy: Cultures of Computing from the Victorian to the Digital Age, edited by Robin Hammerman and Andrew L. Russell (ACM Books, 2015), pp. 18–20, doi:10.1145/2809523. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:45" class="footnote-back-ref">↩</a></li>
<li id="fn:46">Stein 1985, p. 82. - Stein, Dorothy (1985), Ada: A Life and a Legacy, MIT Press Series in the History of Computing, Cambridge, MA: The MIT Press, ISBN 978-0-262-19242-2 <a href="https://archive.org/details/adalifeandlegacy00stei" target="_blank">https://archive.org/details/adalifeandlegacy00stei</a> <a href="#fnref:46" class="footnote-back-ref">↩</a></li>
<li id="fn:47">Toole 1998, p. 99. - Toole, Betty Alexandra (1998), Ada, the Enchantress of Numbers: Prophet of the Computer Age, Strawberry Press, ISBN 978-0-912647-18-0 <a href="https://books.google.com/books?id=gnvZAAAAMAAJ" target="_blank">https://books.google.com/books?id=gnvZAAAAMAAJ</a> <a href="#fnref:47" class="footnote-back-ref">↩</a></li>
<li id="fn:48">Toole 1998, pp. 91–100. - Toole, Betty Alexandra (1998), Ada, the Enchantress of Numbers: Prophet of the Computer Age, Strawberry Press, ISBN 978-0-912647-18-0 <a href="https://books.google.com/books?id=gnvZAAAAMAAJ" target="_blank">https://books.google.com/books?id=gnvZAAAAMAAJ</a> <a href="#fnref:48" class="footnote-back-ref">↩</a></li>
<li id="fn:49">"December 1852 1a * MARYLEBONE – Augusta Ada Lovelace", Register of Deaths, GRO. <a href="#fnref:49" class="footnote-back-ref">↩</a></li>
<li id="fn:50">Baum 1986, pp. 99–100. - Baum, Joan (1986), The Calculating Passion of Ada Byron, Archon, ISBN 978-0-208-02119-9 <a href="https://archive.org/details/calculatingpassi00baum" target="_blank">https://archive.org/details/calculatingpassi00baum</a> <a href="#fnref:50" class="footnote-back-ref">↩</a></li>
<li id="fn:51">Lowy, Ilana (10 November 2011). A Woman's Disease: The History of Cervical Cancer. OUP Oxford. ISBN 978-0-19-954881-1. <a href="978-0-19-954881-1" target="_blank">978-0-19-954881-1</a> <a href="#fnref:51" class="footnote-back-ref">↩</a></li>
<li id="fn:52">Woolley 1999, p. 370. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:52" class="footnote-back-ref">↩</a></li>
<li id="fn:53">Woolley 1999, p. 369. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:53" class="footnote-back-ref">↩</a></li>
<li id="fn:54">Wolfram, Stephen (22 December 2015). "Untangling the Tale of Ada Lovelace". WIRED. Retrieved 6 April 2024. <a href="https://www.wired.com/2015/12/untangling-the-tale-of-ada-lovelace/" target="_blank">https://www.wired.com/2015/12/untangling-the-tale-of-ada-lovelace/</a> <a href="#fnref:54" class="footnote-back-ref">↩</a></li>
<li id="fn:55">Woolley 1999, p. 198. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:55" class="footnote-back-ref">↩</a></li>
<li id="fn:56">Woolley 1999, pp. 232–33. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:56" class="footnote-back-ref">↩</a></li>
<li id="fn:57">Woolley 1999, p. 305. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:57" class="footnote-back-ref">↩</a></li>
<li id="fn:58">Woolley 1999, pp. 310–14. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:58" class="footnote-back-ref">↩</a></li>
<li id="fn:59">Woolley 1999, pp. 315–17. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:59" class="footnote-back-ref">↩</a></li>
<li id="fn:60">Woolley 1999, p. 335. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:60" class="footnote-back-ref">↩</a></li>
<li id="fn:61">Toole 1998, pp. 36–38. - Toole, Betty Alexandra (1998), Ada, the Enchantress of Numbers: Prophet of the Computer Age, Strawberry Press, ISBN 978-0-912647-18-0 <a href="https://books.google.com/books?id=gnvZAAAAMAAJ" target="_blank">https://books.google.com/books?id=gnvZAAAAMAAJ</a> <a href="#fnref:61" class="footnote-back-ref">↩</a></li>
<li id="fn:62">Wolfram, Stephen (10 December 2015). "Untangling the Tale of Ada Lovelace". Stephen Wolfram Writings. Then, on Sept. 9, Babbage wrote to Ada, expressing his admiration for her and (famously) describing her as 'Enchantress of Number' and 'my dear and much admired Interpreter'. (Yes, despite what's often quoted, he wrote 'Number' not 'Numbers'.) <a href="/wiki/Stephen_Wolfram" target="_blank">/wiki/Stephen_Wolfram</a> <a href="#fnref:62" class="footnote-back-ref">↩</a></li>
<li id="fn:63">Some writers give it as "Enchantress of Numbers". <a href="#fnref:63" class="footnote-back-ref">↩</a></li>
<li id="fn:64">Wolfram, Stephen (10 December 2015). "Untangling the Tale of Ada Lovelace". Stephen Wolfram Writings. Then, on Sept. 9, Babbage wrote to Ada, expressing his admiration for her and (famously) describing her as 'Enchantress of Number' and 'my dear and much admired Interpreter'. (Yes, despite what's often quoted, he wrote 'Number' not 'Numbers'.) <a href="/wiki/Stephen_Wolfram" target="_blank">/wiki/Stephen_Wolfram</a> <a href="#fnref:64" class="footnote-back-ref">↩</a></li>
<li id="fn:65">Füegi, John; Francis, Jo (14 August 2015). "Lovelace & Babbage and the creation of the 1843 'notes'" (PDF). ACM Inroads. 6 (3): 78–86. doi:10.1145/2810201. ISSN 2153-2184. S2CID 7666218. Archived from the original on 15 February 2020. She became the first person known to have crossed the intellectual threshold between conceptualizing computing as only for calculation on the one hand, and on the other hand, computing as we know it today: with wider applications made possible by symbolic substitution. <a href="https://web.archive.org/web/20200215003909/https://pdfs.semanticscholar.org/81bb/f32d2642a7a8c6b0a867379a4e9e99d872bc.pdf" target="_blank">https://web.archive.org/web/20200215003909/https://pdfs.semanticscholar.org/81bb/f32d2642a7a8c6b0a867379a4e9e99d872bc.pdf</a> <a href="#fnref:65" class="footnote-back-ref">↩</a></li>
<li id="fn:66">Huskey, Velma R.; Huskey, Harry D. (1980). "Lady Lovelace and Charles Babbage". Annals of the History of Computing. 2 (4): 299–329. doi:10.1109/MAHC.1980.10042. S2CID 2640048. <a href="/wiki/Velma_Huskey" target="_blank">/wiki/Velma_Huskey</a> <a href="#fnref:66" class="footnote-back-ref">↩</a></li>
<li id="fn:67">Menabrea 1843. - Menabrea, Luigi Federico (1843), "Sketch of the Analytical Engine Invented by Charles Babbage", Scientific Memoirs, 3, archived from the original on 15 September 2008, retrieved 29 August 2008 <a href="http://www.fourmilab.ch/babbage/sketch.html" target="_blank">http://www.fourmilab.ch/babbage/sketch.html</a> <a href="#fnref:67" class="footnote-back-ref">↩</a></li>
<li id="fn:68">Green, Christopher (2001). "Charles Babbage, the Analytical Engine, and the Possibility of a 19th-Century Cognitive Science". York University. Retrieved 2 September 2018. <a href="http://www.yorku.ca/christo/papers/Babbage-CogSci.htm" target="_blank">http://www.yorku.ca/christo/papers/Babbage-CogSci.htm</a> <a href="#fnref:68" class="footnote-back-ref">↩</a></li>
<li id="fn:69">Woolley 1999, p. 265. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:69" class="footnote-back-ref">↩</a></li>
<li id="fn:70">Woolley 1999, p. 267. - Woolley, Benjamin (February 1999), The Bride of Science: Romance, Reason, and Byron's Daughter, AU: Pan Macmillan, ISBN 978-0-333-72436-1, retrieved 7 April 2013 <a href="https://books.google.com/books?id=K8-sQgAACAAJ" target="_blank">https://books.google.com/books?id=K8-sQgAACAAJ</a> <a href="#fnref:70" class="footnote-back-ref">↩</a></li>
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<li id="fn:187">"LOVELACE MEMORIAL APPROXIMATELY 30 METRES SOUTH OF CHURCH OF ALL SAINTS, Kirkby Mallory, Peckleton & Stapleton - 1187993 | Historic England". historicengland.org.uk. <a href="https://historicengland.org.uk/listing/the-list/list-entry/1187993" target="_blank">https://historicengland.org.uk/listing/the-list/list-entry/1187993</a> <a href="#fnref:187" class="footnote-back-ref">↩</a></li>
<li id="fn:188">"You Won't Believe Starfield Includes This Historical Figure As A Companion". screenrant.com. 14 September 2023. Retrieved 15 March 2025. <a href="https://screenrant.com/starfield-recruit-historical-companion-history-amelia-earhart-clone/" target="_blank">https://screenrant.com/starfield-recruit-historical-companion-history-amelia-earhart-clone/</a> <a href="#fnref:188" class="footnote-back-ref">↩</a></li>
<li id="fn:189">"Ada Lovelace leader, Sid Meier's Civilization VII". civilization.2k.com. Retrieved 5 March 2025. <a href="https://civilization.2k.com/en-GB/civ-vii/game-guide/leaders/ada-lovelace/" target="_blank">https://civilization.2k.com/en-GB/civ-vii/game-guide/leaders/ada-lovelace/</a> <a href="#fnref:189" class="footnote-back-ref">↩</a></li>
<li id="fn:190">"Sketch of The Analytical Engine, with notes upon the Memoir by the Translator". Switzerland: fourmilab.ch. October 1842. Retrieved 28 March 2014. <a href="http://www.fourmilab.ch/babbage/sketch.html" target="_blank">http://www.fourmilab.ch/babbage/sketch.html</a> <a href="#fnref:190" class="footnote-back-ref">↩</a></li>
<li id="fn:191">"Sketch of the analytical engine invented by Charles Babbage, Esq". Harvard University Library. Retrieved 9 April 2019. <a href="http://id.lib.harvard.edu/alma/990030757610203941/catalog" target="_blank">http://id.lib.harvard.edu/alma/990030757610203941/catalog</a> <a href="#fnref:191" class="footnote-back-ref">↩</a></li>
<li id="fn:192">"Rare book by world's first computer programmer sells for £95,000". mooreallen.co.uk. 23 July 2018. Archived from the original on 10 October 2018. Retrieved 9 April 2019. <a href="https://web.archive.org/web/20181010011141/https://www.mooreallen.co.uk/group/news-events/rare-book-by-worlds-first-computer-programmer-sells-for-95000" target="_blank">https://web.archive.org/web/20181010011141/https://www.mooreallen.co.uk/group/news-events/rare-book-by-worlds-first-computer-programmer-sells-for-95000</a> <a href="#fnref:192" class="footnote-back-ref">↩</a></li>
<li id="fn:193">Mangan, Dan (23 April 2018). "Fight brews over Shkreli's Wu-Tang album as 'pharma bro' gets banned by securities industry". CNBC. Retrieved 23 June 2020. <a href="https://www.cnbc.com/2018/04/23/fight-brews-over-shkrelis-wu-tang-album-as-he-gets-banned-by-securities-industry.html" target="_blank">https://www.cnbc.com/2018/04/23/fight-brews-over-shkrelis-wu-tang-album-as-he-gets-banned-by-securities-industry.html</a> <a href="#fnref:193" class="footnote-back-ref">↩</a></li>
</ol>

Ada Lovelace open-in-new

Ada Lovelace