Template:Selected anniversaries/December 21: Difference between revisions

Revision as of 18:12, 24 July 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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 File:Jan Łukasiewicz.jpg|link=Jan Łukasiewicz (nonfiction)|1878: Mathematician and philosopher [[Jan Łukasiewicz (nonfiction)|Jan Łukasiewicz]] born.  He will think innovatively about traditional propositional logic, the principle of non-contradiction and the law of excluded middle.
+||Sewall Green Wright (December 21, 1889 – March 3, 1988) was an American geneticist known for his influential work on evolutionary theory and also for his work on path analysis.
 File:Crossword.png|link=Crossword (nonfiction)|1913: Arthur Wynne's "word-cross", the first [[Crossword (nonfiction)|crossword puzzle]], is published in the ''New York World''.
 File:Voronoi-diagram-color-commentators.jpg|link=Fantasy Voronoi diagram|1974: [[Fantasy Voronoi diagram]] upstages [[Fantasy football (American) (nonfiction)|Fantasy Football]].