Template:Selected anniversaries/April 22: Difference between revisions
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||1999 – Munir Ahmad Khan, Pakistani-Austrian physicist and engineer (b. 1926) | ||1999 – Munir Ahmad Khan, Pakistani-Austrian physicist and engineer (b. 1926) | ||
||Victor Frederick "Viki" Weisskopf (d. April 22, 2002) was an Austrian-born American theoretical physicist. During World War II he was Group Leader of the Theoretical Division of the Manhattan Project at Los Alamos, and later campaigned against the proliferation of nuclear weapons. Pic. | |||
||2003 – James H. Critchfield, American CIA officer (b. 1917) | ||2003 – James H. Critchfield, American CIA officer (b. 1917) | ||
Revision as of 15:52, 31 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.