This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.
Los Alamos’s residents organized many different means of recreation and leisure.
Manhattan Project veterans remember the death of President Franklin Delano Roosevelt.
Protecting workers was an important priority for Manhattan Project officials.
The U.S. developed two types of atomic bombs during the Second World War.
A startling proportion of the most famous names on the Manhattan Project belonged to scientists who came to England or America to flee from the Axis.
Henry DeWolf Smyth prepared the official U.S. government history about the development of the atomic bombs.
A key component of keeping the Manhattan Project secret was making sure Project sites were secret and secure.
South Africa is the first and only country to have successfully developed and then dismantled nuclear weapons.
Soviet physicists paid close attention to the news of the discovery of fission in Germany in 1938, and began research shortly thereafter.