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 …

Feb 3, 2026 · 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, …

What is the Manhattan Project? The Manhattan Project was an unprecedented, top-secret World War II government program in which the United States rushed to develop and deploy the world’s first …

May 12, 2017 · What was the Manhattan Project?

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.

Find links to DOE histories of the Manhattan Project, site histories, Manhattan Project records, and exhibits.

2 days ago · The Manhattan Project involved roughly 130,000 people at its peak, from Nobel Prize-winning physicists to tens of thousands of construction workers, engineers, and factory operators …

The advent of nuclear weapons, made possible by the Manhattan Project, not only helped bring an end to the Second World War-it ushered in the atomic age and determined how the next war, the Cold …

Jul 18, 2023 · What was the Manhattan Project? Initiated in the summer of 1942, the Manhattan Project was the codename for the US-led research project into developing the world’s first atomic bomb.

In 1939, the U.S. discovered that the Nazis were developing a weapon of unprecedented destructive power and began a top-secret project led by Robert Oppenheimer to beat them to it: The Manhatten …