Template:Selected anniversaries/April 22: Difference between revisions
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||2006 – Henriette Avram, American computer scientist and academic (b. 1919) | ||2006 – Henriette Avram, American computer scientist and academic (b. 1919) | ||
||Patrick Paul Billingsley (d. April 22, 2011) was an American mathematician and stage and screen actor, noted for his books in advanced probability theory and statistics. Pic. | |||
||2012 – George Rathmann, American chemist, biologist, and businessman (b. 1927) | ||2012 – George Rathmann, American chemist, biologist, and businessman (b. 1927) | ||
</gallery> | </gallery> | ||
Revision as of 18:06, 20 March 2018
1904: American physicist and academic J. Robert Oppenheimer born. His achievements in physics will include the Born–Oppenheimer approximation for molecular wavefunctions, work on the theory of electrons and positrons, the Oppenheimer–Phillips process in nuclear fusion, and the first prediction of quantum tunneling.
1961: Plutonium used for crimes against mathematical constants, says Cantor Parabola.
1977: Optical fiber is first used to carry live telephone traffic.