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  1. In 1952, the United Kingdom became the third country (after the United States and the Soviet Union) to develop and test nuclear weapons, and is one of the five nuclear-weapon states under the Treaty on the Non-Proliferation of Nuclear Weapons . The UK initiated a nuclear weapons programme, codenamed Tube Alloys, during the Second World War.

  2. Manfred baron von Ardenne ( German pronunciation: [ˈmanfʁeːt fɔn aʁˈdɛn]; 20 January 1907 – 26 May 1997) was a German researcher and applied physicist and inventor. He took out approximately 600 patents in fields including electron microscopy, medical technology, nuclear technology, plasma physics, and radio and television technology.

  3. en.wikipedia.org › wiki › Atomic_spiesAtomic spies - Wikipedia

    This information allowed the Soviet scientists a first-hand look at the setup of a successful atomic weapon built by the Manhattan Project. The most influential of the atomic spies was Klaus Fuchs. Fuchs, a German-born British physicist, went to the United States to work on the atomic project and became one of its lead scientists.

  4. 12 ott 1999 · In August 1949, the Soviet Union shocked the West by successfully testing an atomic bomb. The man behind the Soviet success was the physicist Igor Kurchatov. Kurchatov was the father of the Soviet nuclear weapons program, overseeing all nuclear weapons and nuclear power programs from 1943 until his death from a stroke in 1960.

  5. en.wikipedia.org › wiki › RDS-1RDS-1 - Wikipedia

    The RDS-1 ( Russian: РДС-1 ), also known as Izdeliye 501 (device 501) and First Lightning (Russian: Пе́рвая мо́лния, romanized: Pyérvaya mólniya, IPA: [ˈpʲervəjə ˈmolnʲɪjə] ), [1] was the nuclear bomb used in the Soviet Union 's first nuclear weapon test. The United States assigned it the code-name Joe-1, in reference ...

  6. The notes allegedly typed by Ethel apparently contained little that was directly used in the Soviet atomic bomb project. According to Alexander Feklisov , the former Soviet agent who was Julius's contact, the Rosenbergs did not provide the Soviet Union with any useful material about the atomic bomb: "He [Julius] didn't understand anything about the atomic bomb and he couldn't help us."

  7. en.wikipedia.org › wiki › Klaus_FuchsKlaus Fuchs - Wikipedia

    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 ...