Template:Selected anniversaries/June 21: Difference between revisions

Latest revision as of 18:24, 6 February 2022

1652: Architect Inigo Jones dies. He was one of the first architects of the early modern period to employ Vitruvian rules of proportion and symmetry in his buildings.
1781: Mathematician and physicist Siméon Denis Poisson born. His memoirs on the theory of electricity and magnetism will constitute a new branch of mathematical physics.
1948: Biologist, mathematician, and classics scholar D'Arcy Wentworth Thompson dies.

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 ||1945: Robert Dewar born ... computer scientist and academic. Pic.
-File:Lorenz_attractor_trajectory-through-phase-space.gif|link=Lorenz system (nonfiction)|1947: [[Lorenz system (nonfiction)|Lorenz system]] diagram develops self-awareness, invents new class of [[Gnomon algorithm functions]] which detect and prevent [[crimes against mathematical constants]].
 ||1948: The Manchester Small-Scale Experimental Machine (SSEM), nicknamed Baby, was the world's first stored-program computer. It was built at the Victoria University of Manchester, England, by Frederic C. Williams, Tom Kilburn and Geoff Tootill, and ran its first program on 21 June 1948. https://en.wikipedia.org/wiki/Manchester_Small-Scale_Experimental_Machine
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 ||1951: Charles Dillon Perrine dies ... astronomer. Pic.
-File:The Governess.jpg|link=The Governess|1952: Crime-fighter [[The Governess]] chastises corrupt accounting firm, compels accountants to return money embezzled from orphan's fund and personally apologize to orphans.
 ||1954: Gideon Sundback dies ... engineer and businessman, developed the zipper. Pic.