The Manhattan Project, An Interactive History Home The Manhattan Project, An Interactive History Home Department of Energy Home Office of History and Heritage Resources Home DOEHome
J.R. Oppenheimer and General Groves
Events People Places Processes Science Resources

Time Periods

1890s-1939:
Atomic Discoveries

1939-1942:
Early
Government Support

1942:
Difficult
Choices

1942-1944:
The Uranium
Path to
the Bomb

1942-1944:
The Plutonium
Path to
the Bomb

1942-1945:
Bringing It All Together

1945:
Dawn of the
Atomic Era

1945-present:
Postscript --
The Nuclear Age

Albert Einstein and Leo Szilard

Events

The events of the Manhattan Project have been grouped under the time periods listed to the left. A quick overview of the Manhattan Project can be obtained by reading the summaries on each of the eight "Time Periods" pages, located in the left navigation bar.  Each summary page also has a listing of the events pages for that particular time period.  For a complete menu of all events pages, see the comprehensive list of events below.

Comprehensive List of Events

1890s-1939: Atomic Discoveries 1939-1942: Early Government Support
1942: Difficult Choices 1942-1944: The Uranium Path to the Bomb 1942-1944: The Plutonium Path to the Bomb


1942-1945: Bringing It All Together 1945: Dawn of the Atomic Era 1945-present: Postscript -- The Nuclear Age

Sources and notes for this page.

The text for this page is original to the Department of Energy's Office of History and Heritage Resources. The photograph of Albert Einstein with Leo Szilard is courtesy the Federation of American Scientists.

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