Template:Selected anniversaries/April 12: Difference between revisions
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||1945: Members of the Hitler Youth distributed cyanide pills to audience members during the last concert of the Berlin Philharmonic. | ||1945: Members of the Hitler Youth distributed cyanide pills to audience members during the last concert of the Berlin Philharmonic. | ||
||1955: The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective. | ||1955: The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective. | ||
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||1997: George Wald dies ... neurobiologist and academic ... studied pigments in the retina. Share the 1967 Nobel Prize in Physiology or Medicine with Haldan Keffer Hartline and Ragnar Granit. Pic. | ||1997: George Wald dies ... neurobiologist and academic ... studied pigments in the retina. Share the 1967 Nobel Prize in Physiology or Medicine with Haldan Keffer Hartline and Ragnar Granit. Pic. | ||
||2002: Hans Neurath dies ... biochemist, a leader in protein chemistry. Pic search. | ||2002: Hans Neurath dies ... biochemist, a leader in protein chemistry. Pic search. | ||
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File:Cantor Parabola.jpg|link=Cantor Parabola|2020: Math photographer [[Cantor Parabola]] wins Pulitzer Prize for series of exo-temporal photographs of Minicon 55 in 2021. | File:Cantor Parabola.jpg|link=Cantor Parabola|2020: Math photographer [[Cantor Parabola]] wins Pulitzer Prize for series of exo-temporal photographs of Minicon 55 in 2021. | ||
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Revision as of 21:08, 26 January 2022
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.
1960: Nuclear physicist Donald J. Hughes dies. Hughes was 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.
1961: Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight (Vostok 1).
1984: United States Navy Admiral Edwin Thomas Layton dies. Layton served as a Naval intelligence officer before and during World War II.
2020: Math photographer Cantor Parabola wins Pulitzer Prize for series of exo-temporal photographs of Minicon 55 in 2021.