Template:Selected anniversaries/July 23: Difference between revisions
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||1584 – John Day, English printer (b. 1522) | ||1584 – John Day, English printer (b. 1522) | ||
File:Joseph-Louis Lagrange.jpg|link=Joseph-Louis Lagrange (nonfiction)|1754: [[Joseph-Louis Lagrange (nonfiction)|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. | |||
||1773 – George Edwards, English biologist and ornithologist (b. 1693) | ||1773 – George Edwards, English biologist and ornithologist (b. 1693) | ||
Revision as of 09:03, 23 July 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.