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  1. The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons.It was led by the United States in collaboration with the United Kingdom and Canada. From 1942 to 1946, the project was directed by Major General Leslie Groves of the U.S. Army Corps of Engineers.Nuclear physicist J. Robert Oppenheimer was the director of the Los ...

  2. Jul 22, 2024 · Manhattan Project, U.S. government research project (1942–45) that produced the first atomic bombs. The project’s name was derived from its initial location at Columbia University, where much of the early research was done. The first bomb was exploded in a test at Alamogordo air base in southern New Mexico on July 16, 1945.

  3. Jul 26, 2017 · The Manhattan Project was the code name for the American-led effort to develop a functional atomic weapon during World War II. The controversial creation and eventual use of the atomic bomb ...

  4. Jul 21, 2023 · The Manhattan Project was a top-secret program to make the first atomic bombs during World War II. Its results had profound impacts on history: the subsequent nuclear arms race has radically ...

  5. The Manhattan Project was a research and development project that produced the first atomic bombs during World War II.It was led by the United States with the support of the United Kingdom and Canada. From 1942 to 1946, the project was under the direction of Major General Leslie Groves of the US Army Corps of Engineers.The Army component of the project was designated the Manhattan District ...

  6. Apr 2, 2024 · The Manhattan Project is one of the most transformative events of the 20th century. It ushered in the nuclear age with the development of the world’s first atomic bombs. The building of atomic weapons began in 1942 in three secret communities across the nation. As World War II waned in 1945, the United States dropped the atomic bombs on Hiroshima and Nagasaki, Japan—forever changing the world.

  7. The Manhattan Project was the result of an enormous collaborative effort between the U.S. government and the industrial and scientific sectors during World War II.

  8. Courtesy of the Los Alamos National Laboratory, New Mexico. The Manhattan Project had its origins in 1939, when U.S. scientists urged President Franklin D. Roosevelt to establish a program to study the potential military use of fission; $6,000 was appropriated for the task.By 1942 the project was code-named Manhattan, for the site of Columbia University, where much of the early research was done.

  9. Far away from public sight, the most consequential scientific innovation during World War II was the creation of the atomic bomb through the top-secret Manhattan Project. Inspired by refugee scientists from Europe including Albert Einstein and Leo Szilard, supervised by the US Army Corps of Engineers under General Leslie Groves, and with Dr. Robert Oppenheimer leading the scientific team, the ...

  10. The Manhattan Project was the Anglo-American effort to build nuclear weapons during World War II. It is commonly regarded as one of the most successful, if controversial, mega-projects of the 20th century, bringing together scientific expertise, industrial production, and military coordination to create an entirely new industry, and new form of weaponry, in an unusually compressed timescale.