The Manhattan Project, led by J. Robert Oppenheimer and supported by the U.S., U.K., and Canada during World War II, brought together renowned physicists, including Albert Einstein, to develop the atomic bomb. It culminated in the Trinity test in July 1945 and ultimately ended the war with the bombings of Hiroshima and Nagasaki.
The Valiant World of Val Logsdon Fitch: A Quiz on the Legendary American Nuclear Physicist