This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.
Plutonium's discovery in 1941 created unique opportunities and challenges for scientists.
The collapse of the Soviet Union in 1989 created a number of problems for the international community with regards to nuclear weapons.
The Potsdam Conference was attended by representatives of the United States, the United Kingdom, and the Soviet Union in July 1945.
Project Alberta, also known as Project A, was a division of the Manhattan Project created to plan and carry out all the necessary steps for making the atomic bombs operational.
Project "Silverplate" was the code name for the program to produce a special version of the B-29 capable of delivering the atomic bomb.
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.