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1623 in science
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<h2 id="astronomy">Astronomy</h2> <ul><li>July 16 – <a href="/facts/Great_conjunction/GXNMWc6Y">Great conjunction</a> of <a href="/facts/Jupiter/95m7XjMT">Jupiter</a> and <a href="/facts/Saturn/D54LcGJ9">Saturn</a>, the closest together the two planets come until 2020.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a></li></ul> <h2 id="biology">Biology</h2> <ul><li>Apple orchard at <a href="/facts/Gr%25C3%25B6ns%25C3%25B6_Manor/eufU3eto">Grönsö Manor</a> in Sweden planted; it will still be productive into the 21st century.</li></ul> <h2 id="psychology">Psychology</h2> <ul><li><a href="/facts/Erotomania/ym6AxPIe">Erotomania</a> is first mentioned in a psychiatric treatise.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a></li></ul> <h2 id="technology">Technology</h2> <ul><li><a href="/facts/Wilhelm_Schickard/8e3EucNk">Wilhelm Schickard</a> draws a calculating clock on a letter to <a href="/facts/Kepler/wk6GTN3C">Kepler</a>. This will be the first of five unsuccessful attempts at designing a <i>direct entry</i> <a href="/facts/Mechanical_calculator/As7HE5dB">calculating</a> clock in the 17th century (including the designs of <a href="/facts/Tito_Livio_Burattini/QT2wRoT8">Tito Burattini</a>, <a href="/facts/Samuel_Morland/12kvu9oo">Samuel Morland</a> and <a href="/facts/Ren%25C3%25A9_Grillet_de_Roven/h6l50u8Q">René Grillet</a>).</li></ul> <h2 id="births">Births</h2> <ul><li>June 19 – <a href="/facts/Blaise_Pascal/Huy5LenL">Blaise Pascal</a>, <a href="/facts/French_people/984axQ8y">French</a> <a href="/facts/Mathematician/eaFSR8Fx">mathematician</a> and <a href="/facts/Physicist/cQcgvSIm">physicist</a> (died <a href="/facts/1662_in_science/dc8efAmL">1662</a>)</li> <li>July 12 – <a href="/facts/Elizabeth_Walker_(pharmacist)/oR2t3Wvs">Elizabeth Walker</a>, <a href="/facts/English_people/IeI9c7BK">English</a> pharmacist (died <a href="/facts/1690_in_science/elTk5BNP">1690</a>)</li> <li>August 26 – <a href="/facts/Johann_Sigismund_Elsholtz/te29tmA4">Johann Sigismund Elsholtz</a>, German naturalist and physician (died <a href="/facts/1688_in_science/onmSJjwe">1688</a>)</li> <li>September 1 – <a href="/facts/Caspar_Schamberger/RtP8jqTU">Caspar Schamberger</a>, German surgeon and merchant (died <a href="/facts/1706_in_science/k46xeBbW">1706</a>)</li> <li>September 23 – <a href="/facts/Georg_Balthasar_Metzger/exyhwnLM">Georg Balthasar Metzger</a>, German physician and scientist (died <a href="/facts/1687_in_science/uqRaLQ4q">1687</a>)</li> <li>October 9 – <a href="/facts/Ferdinand_Verbiest/J04e0ygE">Ferdinand Verbiest</a>, <a href="/facts/Flemish_people/MIyUKkDM">Flemish</a> <a href="/facts/Jesuit/n0PeYBB8">Jesuit</a> <a href="/facts/Sinologist/5XjbI40A">Sinologist</a> and <a href="/facts/Astronomer/ronF8j4a">astronomer</a> (died <a href="/facts/1688_in_science/onmSJjwe">1688</a>)</li> <li><a href="/facts/Margaret_Cavendish%2c_Duchess_of_Newcastle-upon-Tyne/87D4pu6g">Margaret Lucas, <i>later</i> Margaret Cavendish, Duchess of Newcastle-upon-Tyne</a>, <a href="/facts/English_people/IeI9c7BK">English</a> <a href="/facts/Natural_philosopher/CUAsDWdk">natural philosopher</a> (died <a href="/facts/1673_in_science/JhLlo14l">1673</a>)<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></li></ul> <h2 id="deaths">Deaths</h2> <ul><li>May 26 – <a href="/facts/Francis_Anthony/4GnSj749">Francis Anthony</a>, English apothecary and physician (born <a href="/facts/1550_in_science/40d4Rmc7">1550</a>)</li> <li>December 24 – <a href="/facts/Michiel_Coignet/c3vsyW7I">Michiel Coignet</a>, Flemish <a href="/facts/Engineer/ph4TnHnG">engineer</a>, <a href="/facts/Cosmographer/FNI8UTrS">cosmographer</a>, <a href="/facts/Mathematician/eaFSR8Fx">mathematician</a> and <a href="/facts/Scientific_instrument/NX2ldw1E">scientific instrument</a>-maker (born <a href="/facts/1549_in_science/IDWnEl7Y">1549</a>)</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Hunt, Jeffrey L. (2020-02-20). "1623: The Great Conjunction of Jupiter and Saturn". When the Curves Line Up. Retrieved 2020-12-05. <a href="https://whenthecurveslineup.com/2020/02/20/1623-the-great-conjunction-of-jupiter-and-saturn/" target="_blank">https://whenthecurveslineup.com/2020/02/20/1623-the-great-conjunction-of-jupiter-and-saturn/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Ferrand, Jacques. Maladie d'amour, ou Mélancolie érotique. <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Margaret Cavendish". The British Library. Retrieved 26 March 2019. <a href="https://www.bl.uk/people/margaret-cavendish" target="_blank">https://www.bl.uk/people/margaret-cavendish</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>