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Manhattan Project

en.wikipedia.org/wiki/Manhattan_Project

The Manhattan Project was a research and development project that produced the first nuclear weapons during World War II. It was led by the United States with  ...

The Manhattan Project [ushistory.org]

www.ushistory.org/us/51f.asp

Early in 1939, the world's scientific community discovered that German physicists had learned the secrets of splitting a uranium atom. Fears soon spread over ...

Manhattan Project | United States history | Britannica.com

www.britannica.com/event/Manhattan-Project

Sep 7, 2015 ... U.S. government research project (1942–45) that produced the first atomic bombs. American scientists, many of them refugees from fascist ...

The Manhattan Project: Making the Atomic Bomb | History of the ...

www.atomicarchive.com/History/mp/

The Manhattan Project: Making the Atomic Bomb is a short history of the origins and development of the American atomic bomb program during World War II.

The Manhattan Project - American Museum of Natural History

www.amnh.org/exhibitions/einstein/peace-and-war/the-manhattan-project/

In July 1940, the U.S. Army Intelligence office denied Einstein the security clearance needed to work on the Manhattan Project. The hundreds of scientists on the ...

Manhattan Project - Nuclear Files

www.nuclearfiles.org/menu/key-issues/nuclear-weapons/history/pre-cold-war/manhattan-project/

Manhattan Project. The Manhattan Project was a secret military project created in 1942 to produce the first US nuclear weapon. Fears that Nazi Germany would ...

Manhattan Project | Department of Energy

energy.gov/management/office-management/operational-management/history/manhattan-project

The Department of Energy traces its origins to World War II and the Manhattan Project effort to build the first atomic bomb. As the direct descendent of the ...

Manhattan Project Veterans Database - Profiles | Atomic Heritage ...

www.atomicheritage.org/bios

If you would like us to add a profile or if you have more information about a Manhattan Project veteran, please contact us. We are currently in the process of ...

Manhattan Project National Historical Park (US National Park Service)

www.nps.gov/mapr/

This site tells the story about the people, events, science, and engineering that led to the creation of the atomic bomb, which helped end World War II.

The Manhattan Project - The Nuclear Weapon Archive

nuclearweaponarchive.org/Usa/Med/Med.html

Mar 30, 1999 ... This Manhattan Project predecessor, code named the S-1 project, was headed by Arthur H. Compton. The core group of scientists that would ...

Answers
The Manhattan Project was concerted effort by the United States, in collaboration with the United Kingdom and Canada, to build the first atomic bomb. The project was lead by J. Robert Oppenheimer and headed by General Leslie Groves.
Scientists including Albert Einstein, Enrico Fermi and Leo Szilard also participated in the Manhattan Project. The first test bomb was dropped on July 16, 1945.