Search in
ADD SEARCH FILTER CANCEL SEARCH FILTER

Digital Archive International History Declassified

SEARCH RESULTS

  • April 01, 1943

    Note of I.Kurchatov for M. Pervukhin, 'About Necessity to Demobilize V.M. Kelman'

    In this document, the "father" of the first Soviet nuclear bomb, Igor Kurchatov, asks the chief of the Soviet ministry of energy, Pervukhin, to help demobilize the Ukranian physicist Veniamin Kelman, who was a fellow of UIPhT before the war. In this note Kurchatov writes about the high quality of the Ukrainian nuclear scientist and about his importance for the development of the Soviet nuclear program. This document once again demonstrates that Ukraine played a significant role in the Soviet military nuclear program.

  • September 29, 1944

    Letter, Igor V. Kurchatov, Director of the Soviet Nuclear Program, to Lavrenti Beria

    In this letter, physicist Igor V. Kurchatov, the scientific director of the Soviet nuclear project, writes to secret police chief Lavrenti Beria, whom Stalin had given principal responsibility for the atomic effort. Prodded by his own scientists and by intelligence reports of the secret Anglo-American atomic enterprise, Stalin had initiated a small-scale Soviet nuclear weapons program in late 1942-early 1943. But the level of support political leaders had given the project failed to satisfy Kurchatov, who pleaded with Beria for additional backing.

  • December, 1945

    Kurchatov’s Evaluation of Niels Bohr's Questioning

    Evaluation by the scientific director of the Soviet nuclear project, Igor Kurchatov, of the interview with Niels Bohr.

  • January 25, 1946

    Handwritten notes by Igor V. Kurchatov, Director of the Soviet Nuclear Program, on a Meeting with Stalin, Beria and Molotov

    Excerpts from Igor V. Kurchatov's handwritten notes from a conversation with Stalin on the secret Soviet nuclear project, accompanied by Beria and Foreign Minister V.M. Molotov, at the Kremlin on the evening of 25 January 1946.

  • January 25, 1946

    Notes on the discussion between I.V. Kurchatov, lead scientist for the Soviet nuclear effort, and Stalin

    Kurchatov's notes on his meeting with Stalin, Molotov and Beria. Stalin promises the all necessary help to the soviet effort to build an atomic bomb. He suggests that the project should be build on "a Russian scale," without concerns for cost saving.

  • September 29, 1946

    Letter from Igor V. Kurchatov to Lavrenti Beria requesting additional support for the project on buiding an atomic bomb.

    Igor Kurchatov, the scientific director of the Soviet nuclear project writes secret police chief Lavrenti Beria, whom Stalin had given principal responsibility for the atomic effort, asking for additional resources to solve uranium shortages faced by the project. (excerpts)

  • February 28, 1955

    Report by the Measurement Lab of the USSR Academy of Science, 'On the Properties of the Atomic Bombs Detonated on the Marshal Islands in 1954'

    Soviet scientific intelligence report on U.S. nuclear weapons testing on the Marshall Islands in 1954. This report concludes that the Ivy Mike and Castle nuclear detonations were thermonuclear based on gamma ray spectroscopy of fission fragments collected by Soviet aircraft over the USSR and PRC.