Template:Selected anniversaries/December 23: Difference between revisions
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||1947 – The transistor is first demonstrated at Bell Laboratories. | ||1947 – The transistor is first demonstrated at Bell Laboratories. | ||
File:Wilhelm Ackermann.jpg|link=Wilhelm Ackermann (nonfiction)|1948: Mathematician [[Wilhelm Ackermann (nonfiction)|Wilhelm Ackermann]] publishes his research on applications of the Ackermann function to detecting and preventing [[crimes against mathematical constants]]. | |||
||Arthur Eichengrün (d. 23 December 1949) was a German Jewish chemist, materials scientist, and inventor. He is known for developing the highly successful anti-gonorrhea drug Protargol, the standard treatment for 50 years until the adoption of antibiotics, and for his pioneering contributions in plastics | ||Arthur Eichengrün (d. 23 December 1949) was a German Jewish chemist, materials scientist, and inventor. He is known for developing the highly successful anti-gonorrhea drug Protargol, the standard treatment for 50 years until the adoption of antibiotics, and for his pioneering contributions in plastics | ||
Revision as of 14:41, 15 November 2017
1722: Mathematician and academic Pierre Varignon dies. He simplified the proofs of many propositions in mechanics, adapted Leibniz's calculus to the inertial mechanics of Newton's Principia, and treated mechanics in terms of the composition of forces.
1822: Inventor and engineer Wilhelm Bauer born. He will design and invent submarines.
1948: Mathematician Wilhelm Ackermann publishes his research on applications of the Ackermann function to detecting and preventing crimes against mathematical constants.