Template:Selected anniversaries/July 23: Difference between revisions
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||1981: Lazar Aronovich Lyusternik dies ... mathematician. He is famous for his work in topology and differential geometry, to which he applied the variational principle. | ||1981: Lazar Aronovich Lyusternik dies ... mathematician. He is famous for his work in topology and differential geometry, to which he applied the variational principle. | ||
||1983: 1983 - Gimli Glider - Air Canada 767 runs out of fuel in midair and makes emergency glide landing at Gimli airstrip; due to metric confusion and fuel metering problems. Pic: interesting photo, plane nose-down on runway: http://canadachannel.ca/todayincanadianhistory/index.php/July_23 | |||
||1990: Kenjiro Takayanagi, Japanese engineer (b. 1899) Father of Japanese television. Kenjiro Takayanagi (d. July 23, 1990 in Yokosuka) was a Japanese engineer and a pioneer in the development of television. Although he failed to gain much recognition in the West, he built the world's first all-electronic television receiver, and is referred to as "the father of Japanese television". | ||1990: Kenjiro Takayanagi, Japanese engineer (b. 1899) Father of Japanese television. Kenjiro Takayanagi (d. July 23, 1990 in Yokosuka) was a Japanese engineer and a pioneer in the development of television. Although he failed to gain much recognition in the West, he built the world's first all-electronic television receiver, and is referred to as "the father of Japanese television". | ||
Revision as of 09:09, 24 August 2018
1754: Joseph-Louis Lagrange publishes his first work, in the form of a letter in Italian. A month later he realized that he had rediscovered Leibniz's formula for the nth derivative of a product.
1829: William Austin Burt patents the typographer, a precursor to the typewriter.
1885: The well-known illustration Interview with Wallace War-Heels is stolen by math criminals, who demand computational ransom.
1934: Mathematician and crime-fighter Hans Hahn publishes new analysis of set theory which soons finds application in detecting and preventing crimes against mathematical constants.
1928: Astronomer and academic Vera Rubin born. She will discover the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves.
1962: Mathematician and crime-fighter Alice Beta uses Telstar to communicate with AESOP.
1962: Telstar relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite.
2017: AESOP re-broadcasts Walter Cronkite's 1962 trans-Atlantic television program.