Template:Selected anniversaries/December 21: Difference between revisions
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File:Joseph Fourier.jpg|link=Joseph Fourier (nonfiction)|1807: Mathematician [[Joseph Fourier (nonfiction)|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). | File:Joseph Fourier.jpg|link=Joseph Fourier (nonfiction)|1807: Mathematician [[Joseph Fourier (nonfiction)|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). | ||
||1824: James Parkinson dies ... physician and paleontologist. | ||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. | ||
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||1988: The first flight of Antonov An-225 Mriya, the largest aircraft in the world. | ||1988: The first flight of Antonov An-225 Mriya, the largest aircraft in the world. | ||
||1990: Kelly Johnson dies ... engineer, co-founded Skunk Works. Pic. | |||
||2009: Edwin G. Krebs dies ... biochemist and academic, Nobel Prize laureate ... 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. | ||2009: Edwin G. Krebs dies ... biochemist and academic, Nobel Prize laureate ... 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. | ||
Revision as of 11:21, 26 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.