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. | ||
||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 | |||
||1954 – First successful kidney transplant is performed by J. Hartwell Harrison and Joseph Murray. | ||1954 – First successful kidney transplant is performed by J. Hartwell Harrison and Joseph Murray. | ||
Revision as of 21:29, 28 October 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.