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Klaus Emil Julius Fuchs (29 December 1911 – 28 January 1988) was a German theoretical physicist and atomic spy who supplied information from the American, British, and Canadian Manhattan Project to the Soviet Union during and shortly after World War II. While at the Los Alamos Laboratory, Fuchs was responsible for many significant theoretical ...
Atomic spies. Klaus Fuchs, arguably the most important of the identified "atomic spies" for his extensive access to high-level scientific data and his ability to make sense of it through his technical training. Atomic spies or atom spies were people in the United States, the United Kingdom, and Canada who are known to have illicitly given ...
Klaus Fuchs, exposed in 1950, is considered to have been the most valuable of the atomic spies during the Manhattan Project.. Cold War espionage describes the intelligence gathering activities during the Cold War (c. 1947–1991) between the Western allies (primarily the US and Western Europe) and the Eastern Bloc (primarily the Soviet Union and allied countries of the Warsaw Pact).
Perseus (Russian: Персей, romanized: Persey) was the code name of a hypothetical Soviet atomic spy that, if real, would have allegedly breached United States national security by infiltrating Los Alamos National Laboratory during the development of the Manhattan Project, and consequently, would have been instrumental for the Soviets in the development of nuclear weapons.
Klaus Fuchs, a German scientist working at Los Alamos Laboratory, was convicted in the United Kingdom. For decades, many people, including the Rosenbergs' sons (Michael and Robert Meeropol), maintained that Julius and Ethel were innocent of spying on their country and were victims of Cold War paranoia.
Harry Gold (born Henrich Golodnitsky, December 11, 1910 – August 28, 1972) was a Swiss-born American laboratory chemist who was convicted as a courier for the Soviet Union passing atomic secrets from Klaus Fuchs, an agent of the Soviet Union, during World War II. Gold served as a government witness and testified in the case of Julius and ...
Ursula Kuczynski (15 May 1907 – 7 July 2000), [1] also known as Ruth Werner, Ursula Beurton and Ursula Hamburger, was a German Communist activist who spied for the Soviet Union during the 1930s and 1940s, most famously as the handler of nuclear scientist Klaus Fuchs. [2] [3] She moved to East Germany in 1950 when Fuchs was unmasked, and ...
As head of the British Mission to the Los Alamos Laboratory, James Chadwick led a multinational team of distinguished scientists that included Sir Geoffrey Taylor, James Tuck, Niels Bohr, Peierls, Frisch, and Klaus Fuchs, who was later revealed to be a Soviet atomic spy. Four members of the British Mission became group leaders at Los Alamos.