Template:Selected anniversaries/December 21: Difference between revisions

Revision as of 14:04, 6 February 2019

1807: Mathematician Joseph Fourier announced to the French Academy of Science that an arbitrary function could be expanded as an inﬁnite series of sines and cosines (now known as the Fourier series).
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.
2016: Signed first edition of Traveller used in high-energy literature experiments develops artificial intelligence.

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 ||1959: Rosanjin dies ... calligrapher, engraver, and painter.
-||1960: Eric Temple Bell dies ... mathematician and science fiction writer who lived in the United States for most of his life. He published non-fiction using his given name and fiction as John Taine.
+||1960: Eric Temple Bell dies ... mathematician and science fiction writer who lived in the United States for most of his life. He published non-fiction using his given name and fiction as John Taine. Pic.
 ||1967: Louis Washkansky dies ... the first man to undergo a heart transplant, dies in Cape Town, South Africa, having lived for 18 days after the transplant.