Daniel C. Drucker

<p>Daniel Charles Drucker (June 3, 1918 – September 1, 2001) was an American <a href="/facts/Civil_engineer/RjIFIjNe">civil</a> and <a href="/facts/Mechanical_engineer/cbId4fye">mechanical engineer</a> and academic, who served as president of the Society for Experimental Stress Analysis (now <a href="/facts/Society_for_Experimental_Mechanics/6IgR2XT1">Society for Experimental Mechanics</a>) in 1960–1961, as president of the <a href="/facts/American_Society_of_Mechanical_Engineers/gpM3UR6G">American Society of Mechanical Engineers</a> in the year 1973–74, and as president of the American Academy of Mechanics in 1981–82.
</p><p>Drucker was known as an authority on the theory of <a href="/facts/Plasticity_(physics)/2VKo6keA">plasticity</a> in the field of <a href="/facts/Applied_mechanics/rUlbDdob">applied mechanics</a>. His key contributions to the field of plasticity include the concept of material stability described by the <a href="/facts/Drucker_stability/I91IsJvd">Drucker stability postulates</a> and the <a href="/facts/Drucker%25E2%2580%2593Prager_yield_criterion/JcmLCkJ2">Drucker–Prager yield criterion</a>.
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Daniel C. Drucker open-in-new

Daniel C. Drucker