Template:Selected anniversaries/February 22: Difference between revisions

Revision as of 21:16, 14 December 2017

1933: Engineer and inventor Justin Capră born. He will design fuel-efficient cars, unconventional engines, aircraft, and jet backpacks.
1973: Vandal Savage uses solar eclipse to manufacture large quantity of military-grade clandestiphrine.
1987: Artist Andy Warhol dies. He was a leading figure in the Pop art movement.
1988: Mathematician and academic Mary Cartwright uses chaos theory principles to detect and prevent crimes against mathematical constants.
1995: The Corona reconnaissance satellite program, in existence from 1959 to 1972, is declassified.

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 ||Nikolay Yakovlevich Sonin (b. February 22, 1849) was a Russian mathematician.
+||Heinrich Rudolf Hertz (b. 22 February 1857) was a German physicist who first conclusively proved the existence of the electromagnetic waves theorized by James Clerk Maxwell's electromagnetic theory of light. The unit of frequency — cycle per second — was named the "hertz" in his honor.
 File:Justin Virgilius Capră.jpg|link=Justin Capră (nonfiction)|1933: Engineer and inventor [[Justin Capră (nonfiction)|Justin Capră]] born. He will design fuel-efficient cars, unconventional engines, aircraft, and jet backpacks.