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Manhattan Project
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Atomic bomb
The true story of Oppenheimer and the atomic bomb
What was the Manhattan Project?
Leslie Groves Manhattan Project interactive timeline Timeline of the Manhattan Project Fission bomb First self-sustaining nuclear chain reaction Discover more about the first atomic bombs J. Robert Oppenheimer
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Atomic bomb
Manhattan Project summary
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J. Robert Oppenheimer (L) & Gen. Leslie R. Groves at ground zero examine remains of a base of the steel test tower at the Trinity Test site of a nuclear bomb; as part of the Manhattan Project in New Mexico, Sep. 1945. Los Alamos National Laboratory
Timeline of the Manhattan Project
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Manhattan Project: Facts & Related Content

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Facts

Also Known As Atomic Research Laboratory
Date 1942 - 1945

Did You Know?

  • Upon hearing of the devastation in Hiroshima Einstein stated, "Woe is me".
  • In the aftermath of the bombings, scientists at the University of Chicago created an allegorical Doomsday Clock symbolizing the danger of manmade threats to humanity.
  • The plutonium-based bomb dropped on Nagasaki was named "Fat Man" and the uranium-based bomb was named "Little Boy".
  • The Manhattan Project led to increased research in ionizing radiation and eventually cancer treatment.

Photos and Videos

Atomic bomb
Leslie Groves
Timeline of the Manhattan Project
Fission bomb
First self-sustaining nuclear chain reaction
Discover more about the first atomic bombs
J. Robert Oppenheimer
J. Robert Oppenheimer and Leslie R. Groves
Atomic bomb: first test
Aftermath of the atomic bombing of Hiroshima
The true story of Oppenheimer and the atomic bomb
What was the Manhattan Project?
Watch U.S. B-29 Superfortress Enola Gay decimate Hiroshima with a nuclear bomb in the Pacific War
See All Videos, Images and Interactives →

Related Topics and References

Topics
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Key People

John von Neumann
John von Neumann
American mathematician
Enrico Fermi
Enrico Fermi
Italian-American physicist
Richard Feynman
Richard Feynman
American physicist
Harold C. Urey
American chemist
Hans Bethe.
Hans Bethe
American physicist
Teller, Edward
Edward Teller
Hungarian-born American physicist
J. Robert Oppenheimer
J. Robert Oppenheimer
American physicist
Willard Frank Libby
American chemist
Peierls, Sir Rudolf Ernst; Dirac, P.A.M.; Pauli, Wolfgang
Sir Rudolf Ernst Peierls
British physicist
Theodore Hall
American-born physicist and spy
Leslie Groves
Leslie Richard Groves
United States general
Luis Alvarez
Luis Alvarez
American physicist
Emilio Segrè.
Emilio Segrè
Italian-American physicist
William Webster Hansen
American physicist
Gordon Gould
American physicist
Joseph Rotblat
Joseph Rotblat
British physicist and philanthropist
James Franck
James Franck
German physicist
Edwin Mattison McMillan.
Edwin Mattison McMillan
American physicist
Maurice Wilkins with a model of a DNA molecule, 1962.
Maurice Wilkins
British biophysicist
Gregory Breit
American physicist