Konstantin Petrzhak
Russian nuclear physicist / From Wikipedia, the free encyclopedia
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Konstantin Antonovich Petrzhak (alternatively Pietrzak;[1] Russian: Константи́н Анто́нович Пе́тржак, IPA: [kənstɐnʲˈtʲin ɐnˈtonəvʲɪtɕ ˈpʲedʐək], Polish: [ˈpjɛt.ʂak]; 4 September 1907– 10 October 1998), k.N, was a Russian physicist of Polish origin, and a professor of physics at the Saint Petersburg State University.
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Quick Facts Born, Died ...
Konstantin Petrzhak | |
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Константин Антонович Петржак | |
Born | Konstantin Antonovich Petrzhak (1907-09-04)September 4, 1907 |
Died | October 10, 1998(1998-10-10) (aged 91) |
Nationality | Polish |
Citizenship | Russia |
Alma mater | Leningrad State University |
Known for | Discovery of spontaneous fission Soviet atomic bomb project |
Awards | Stalin Prize (1950) |
Scientific career | |
Fields | Physics |
Institutions | Khlopin Radium Institute |
Thesis | Study of thorium and samarium radioactivity (1984) |
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Receiving credit with Georgy Flyorov, a physicist, for the discovery of spontaneous fission of uranium in 1940, Petrzhak's career in physics was then spent mostly in the former Soviet program of nuclear weapons.[2]