Template:Selected anniversaries/April 12: Difference between revisions

Revision as of 17:04, 26 March 2018

1604: Johannes Kepler discovers new class of crimes against mathematical constants.
1805: Emperor Napoleon and Empress Josephine visit Lyon and viewed Joseph Marie Jacquard's new programmable loom.
1817: Astronomer Charles Messier dies. He published an astronomical catalogue consisting of nebulae and star clusters that came to be known as the 110 "Messier objects".
1852: Mathematician and academic Ferdinand von Lindemann born. He will prove (1882) that π (pi) is a transcendental number.
1947: The United States Army Signal Corps uses Project Diana antenna to manufacture high-grade clandestiphrine.
1961: Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight (Vostok 1).
2016: Advances in zero-knowledge proof theory "are central to the problem of mathematical reliability," says mathematician and crime-fighter Alice Beta.
2017: Math photographer Cantor Parabola wins Pulitzer Prize for series of quantum timeline photographs.

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 ||1955 – The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
+||Donald J. Hughes (d. April 12, 1960) was an American nuclear physicist, chiefly notable as one of the signers of the Franck Report in June, 1945, recommending that the United States not use the atomic bomb as a weapon to prompt the surrender of Japan in World War II. No Pic.
 File:Yuri Gagarin Vostok1.jpg|link=Yuri Gagarin (nonfiction)|1961: Soviet cosmonaut [[Yuri Gagarin (nonfiction)|Yuri Gagarin]] becomes the first human to travel into outer space and perform the first manned orbital flight (Vostok 1).