This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.
The Army tapped the vast pool of GIs possessing scientific and technical backgrounds, assigning them to the Special Engineer Detachment.
Manhattan Project members participated in early missions to survey the two atomic bombing sites—Hiroshima and Nagasaki—after the Japanese surrender in August 1945.
In 1939, Albert Einstein sent FDR a letter urging the US conduct research into an atomic bomb.
Soon after the Interim Committee concluded that the atomic bomb should be used as soon as possible against Japan, a group of scientists led by physicist James Franck founded a committee to study the question of the bomb's use.
Before computers became the modern electric desktops or laptops of today, “computers” actually referred to the people who did computing or calculations of equations.
As the Manhattan Project neared its first atomic test, there was a growing sentiment among project leaders that an advisory committee to make recommendations on nuclear energy should be created.
What was the Manhattan Project?
The tragic story of the "radium girls" had an important impact on the Manhattan Project.
As early as 1939, the U.S. government began to organize and fund nuclear research.