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Manhattan Project, 1942 – 1945

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  • Paul Hugh Emmett (1900 - 1985)
    Hugh Emmett (September 22, 1900 – April 22, 1985) was an American chemist best known for his pioneering work in the field of catalysis and for his work on the Manhattan Project during World War II. He ...
  • Alexander Suss Langsdorf, Jr. (1912 - 1996)
    Langsdorf Jr. (May 30, 1912 – May 24, 1996) was an American physicist on the team that developed the atomic bomb and several devices related to nuclear physics. He was a vocal opponent of the use and p...
  • Zay Jeffries (1888 - 1965)
    Jeffries (April 22, 1888 – May 21, 1965) was an American mining engineer, metallurgist, consulting engineer and recipient of the 1946 John Fritz Medal.BiographyJeffries was born in Willow Lake, South D...
  • Paul C Aebersold (1910 - 1967)
    C. Aebersold (1910-1967) was an American nuclear physicist and pioneer of the biologic and medical application of radioactive materials. He worked on the Manhattan Project and became the first director...
  • LTG. James Benjamin Lampert (1914 - 1978)
    Benjamin Lampert (April 16, 1914 – July 10, 1978) was a former United States Army Lieutenant General, Superintendent of the United States Military Academy (1963–1966), and early pioneer of nuclear weap...


Some 600,000 men and women have worked on the Manhattan project.

Director: J. Robert Oppenheimer

Theoretical Division: Hans Bethe