Template:Selected anniversaries/December 21: Difference between revisions
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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. | 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. | ||
||1889: Sewall Wright born ... geneticist and biologist. | ||1889: Sewall Wright born ... geneticist and biologist. Pic. | ||
||1889: Sewall Green Wright born ... geneticist known for his influential work on evolutionary theory and also for his work on path analysis. Pic | ||1889: Sewall Green Wright born ... geneticist known for his influential work on evolutionary theory and also for his work on path analysis. Pic | ||
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||1951: Timothy May born ... technical and political writer, and was an electronic engineer and senior scientist at Intel in the company's early history. Pic: https://en.m.bitcoinwiki.org/wiki/File:Tim_may.jpg#mw-jump-to-license | ||1951: Timothy May born ... technical and political writer, and was an electronic engineer and senior scientist at Intel in the company's early history. Pic: https://en.m.bitcoinwiki.org/wiki/File:Tim_may.jpg#mw-jump-to-license | ||
||1959: Rosanjin dies ... calligrapher, engraver, and | ||1959: Kitaōji Rosanjin dies ... pseudonym for a noted artist and epicure during the early to mid-Shōwa period of Japan. His real name was Kitaōji Fusajirō (北大路 房次郎), but he is best known by his artistic name, Rosanjin. A man of many talents, Rosanjin was also a calligrapher, ceramicist, engraver, painter, lacquer artist and restaurateur. Pic. | ||
||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. | ||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. | ||
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||1968: Apollo program: Apollo 8 is launched from the Kennedy Space Center, placing its crew on a lunar trajectory for the first visit to another celestial body by humans. | ||1968: Apollo program: Apollo 8 is launched from the Kennedy Space Center, placing its crew on a lunar trajectory for the first visit to another celestial body by humans. | ||
||1980: Vladimir Potapov dies ... He worked on the theory of J-contractive matrix functions, the analysis of matrix functions, and interpolation problems. mathematician. Pic search: https://www.google.com/search?q=vladimir+potapov+mathematician | ||1980: Vladimir Potapov dies ... He worked on the theory of J-contractive matrix functions, the analysis of matrix functions, and interpolation problems. mathematician. Pic search: https://www.google.com/search?q=vladimir+potapov+mathematician | ||
||1988: A bomb explodes on board Pan Am Flight 103 over Lockerbie, Dumfries and Galloway, Scotland, killing 270. | ||1988: A bomb explodes on board Pan Am Flight 103 over Lockerbie, Dumfries and Galloway, Scotland, killing 270. | ||
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||1990: Kelly Johnson dies ... engineer, co-founded Skunk Works. Pic. | ||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. Pic. | ||
||2014: Anatole Beck dies ... mathematician. Pic. | ||2014: Anatole Beck dies ... mathematician. Pic. | ||
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||2016: Sidney David Drell dies ... theoretical physicist and arms control expert. Pic search: https://www.google.com/search?q=Sidney+David+Drell | ||2016: Sidney David Drell dies ... theoretical physicist and arms control expert. Pic search: https://www.google.com/search?q=Sidney+David+Drell | ||
</gallery> | </gallery> | ||
Latest revision as of 17:28, 7 February 2022
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.