Template:Selected anniversaries/December 21: Difference between revisions

Revision as of 09:21, 5 November 2017

1878: Mathematician and philosopher Jan Łukasiewicz born. He will think innovatively about traditional propositional logic, the principle of non-contradiction and the law of excluded middle.
1913: Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
1974: Fantasy Voronoi diagram upstages Fantasy Football.
1976: Chronography of 354 wins Pulitzer Prize.
1984: Mandelbrot set develops artificial intelligence, discovers new class of Gnomon algorithm functions.

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 ||1988 – The first flight of Antonov An-225 Mriya, the largest aircraft in the world.
-||2009 – Edwin G. Krebs, American biochemist and academic, Nobel Prize laureate (b. 1918)
+||2009 – Edwin G. Krebs, American biochemist and academic, Nobel Prize laureate (b. 1918) Edwin Gerhard Krebs (June 6, 1918 – December 21, 2009) was an American biochemist. He received the Albert Lasker Award for Basic Medical Research and the Louisa Gross Horwitz Prize of Columbia University in 1989 together with Alfred Gilman and, together with his collaborator Edmond H. Fischer, was awarded the Nobel Prize in Physiology or Medicine in 1992 for describing how reversible phosphorylation works as a switch to activate proteins and regulate various cellular processes.
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