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  2. German nuclear program during World War II - Wikipedia

    en.wikipedia.org/wiki/German_nuclear_program...

    At the close of World War II, the Soviet Union had special search teams operating in Austria and Germany, especially in Berlin, to identify and obtain equipment, material, intellectual property, and personnel useful to the Soviet atomic bomb project.

  3. Operation Epsilon - Wikipedia

    en.wikipedia.org/wiki/Operation_Epsilon

    The transcripts seem to indicate that the physicists, in particular Heisenberg, had either overestimated the amount of enriched uranium that an atomic bomb would require or consciously overstated it, and that the German project was at best in a very early, theoretical stage of thinking about how atomic bombs would work; in fact, it is estimated ...

  4. Alsos Mission - Wikipedia

    en.wikipedia.org/wiki/Alsos_Mission

    Allied work on nuclear fission had been motivated by scientists, many of whom were refugees from Nazi Germany, who feared a German atomic bomb program was underway. The discovery of fission had taken place largely in Otto Hahn 's Berlin laboratory, and many scientists in the United States held the work of German scientists, especially Werner ...

  5. List of states with nuclear weapons - Wikipedia

    en.wikipedia.org/wiki/List_of_states_with...

    This crash project was developed partially with information obtained via the atomic spies at the United States' Manhattan Project during and after World War II. The Soviet Union was the second nation to have developed and tested a nuclear weapon. It tested its first megaton-range hydrogen bomb ("RDS-37") in 1955.

  6. Werner Heisenberg - Wikipedia

    en.wikipedia.org/wiki/Werner_Heisenberg

    Werner Karl Heisenberg (/ ˈ h aɪ z ən b ɜːr ɡ /; [2] German: [ˈvɛʁnɐ ˈhaɪzn̩bɛʁk] ⓘ; 5 December 1901 – 1 February 1976) [3] was a German theoretical physicist, one of the main pioneers of the theory of quantum mechanics and a principal scientist in the Nazi nuclear weapons program during World War II.

  7. Russian Alsos - Wikipedia

    en.wikipedia.org/wiki/Russian_Alsos

    German scientists repatriated from Sukhumi in February 1958. The Soviet Alsos or Russian Alsos is the western codename for an operation that took place during 1945–1946 in Germany, Austria, and Czechoslovakia, in order to exploit German atomic related facilities, intellectual materials, material resources, and scientific personnel for the benefit of the Soviet atomic bomb project.

  8. Hitlers Bombe - Wikipedia

    en.wikipedia.org/wiki/Hitlers_Bombe

    Hitlers Bombe (Hitler's Bomb) is a nonfiction book by the German historian Rainer Karlsch published in March 2005, which claims to have evidence concerning the development and testing of a possible "nuclear weapon" by Nazi Germany in 1945.

  9. Haigerloch research reactor - Wikipedia

    en.wikipedia.org/wiki/Haigerloch_research_reactor

    The Allies had long suspected that the German researchers were working on an atomic bomb. The aim of the US special unit Alsos, founded in 1943 as part of the Manhattan Project under General Leslie R. Groves, was to expose and secure the German nuclear research facilities and to capture the leading scientists.