Charles Critchfield
Male, Deceased Person
1910 – 1994
Who was Charles Critchfield?
Charles Louis Critchfield was an American mathematical physicist. A graduate of George Washington University, where he earned his PhD in Physics under the direction of Edward Teller in 1939, he conducted research in ballistics at the Institute for Advanced Study in Princeton and the Ballistic Research Laboratory at the Aberdeen Proving Ground, and received three patents for improved sabot designs.
In 1943, Teller and Robert Oppenheimer persuaded Critchfield to come to the Manhattan Project's Los Alamos National Laboratory, where he joined the Ordnance Division under Captain William Parsons on the gun-type fission weapons, Little Boy and Thin Man. After it was discovered that the Thin Man design would not work, he was transferred to Robert Bacher's Gadget Division as the leader of the Initiator group, which was responsible for the design and testing of the "Urchin" neutron initiator that provided the burst of neutrons that kick-started the nuclear detonation of the Fat Man weapon.
After the war he became a professor at the University of Minnesota, and then vice president for research at the Convair division of General Dynamics, where he worked on the Atlas family of rockets. In 1961, J. Carson Mark and Norris Bradbury offered him a position at Los Alamos, which he held until he retired in 1977.
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- Born
- Jun 7, 1910
United States of America - Nationality
- United States of America
- Education
- George Washington University
- Died
- Feb 12, 1994
Los Alamos
Submitted
on July 23, 2013
Citation
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