Template:Selected anniversaries/July 23: Difference between revisions

Revision as of 12:39, 17 February 2018

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.

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 ||1972 – The United States launches Landsat 1, the first Earth-resources satellite.
+||Jesse Wakefield Beams (December 25, 1898 in Belle Plaine, Kansas – July 23, 1977) was an American physicist. Manhattan project, gravestone.
 ||Lazar Aronovich Lyusternik (d. 23 July 1981) was a Soviet mathematician. He is famous for his work in topology and differential geometry, to which he applied the variational principle.
-||1990 – Kenjiro Takayanagi, Japanese engineer (b. 1899) Father of Japanese television. Kenjiro Takayanagi (高柳 健次郎 Takayanagi Kenjirō, January 20, 1899 in Hamamatsu, Shizuoka – 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".
 ||1995 – Comet Hale–Bopp is discovered; it becomes visible to the naked eye on Earth nearly a year later.