Template:Selected anniversaries/December 21: Difference between revisions
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||1824: James Parkinson dies ... physician and paleontologist. Pic search: https://www.google.com/search?q=James+Parkinson | ||1824: James Parkinson dies ... physician and paleontologist. Pic search: https://www.google.com/search?q=James+Parkinson | ||
||1844: The Rochdale Society of Equitable Pioneers commences business at its cooperative in Rochdale, England, starting the Cooperative movement. | ||1844: The Rochdale Society of Equitable Pioneers commences business at its cooperative in Rochdale, England, starting the Cooperative movement. Pic: store. | ||
||1868: George W. Fuller born ... chemist and engineer. | ||1868: George W. Fuller born ... chemist and engineer ... responsible for important innovations in water and wastewater treatment. He designed and built the first modern water filtration plant, and he designed and built the first chlorination system that disinfected a U.S. drinking water supply. In addition, he performed groundbreaking engineering work on sewage treatment facilities. Pic. | ||
||1872: Challenger expedition: HMS Challenger, commanded by Captain George Nares, sails from Portsmouth, England. | ||1872: Challenger expedition: HMS ''Challenger'', commanded by Captain George Nares, sails from Portsmouth, England. | ||
||1877: Jaan Sarv born ... mathematician and scholar. Pic. | ||1877: Jaan Sarv born ... mathematician and scholar. Pic. | ||
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||1929: Newton Ennis Morton born ... population geneticist and one of the founders of the field of genetic epidemiology. He work with the Atomic Bomb Casualty Commission in Japan during 1952–1953 will inspire him to pursue a career in human genetics. Pic. | ||1929: Newton Ennis Morton born ... population geneticist and one of the founders of the field of genetic epidemiology. He work with the Atomic Bomb Casualty Commission in Japan during 1952–1953 will inspire him to pursue a career in human genetics. Pic. | ||
||1933: Knud Rasmussen dies ... anthropologist and explorer. | ||1933: Knud Rasmussen dies ... anthropologist and explorer. Pic. | ||
||1937: Maurice Paul Nivat born ... computer scientist. His research spanned the areas of formal languages, programming language semantics, and discrete geometry. Pic. | ||1937: Maurice Paul Nivat born ... computer scientist. His research spanned the areas of formal languages, programming language semantics, and discrete geometry. Pic. | ||
Revision as of 07:41, 6 March 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.