
The Manhattan Project was the codename for a project conducted during World War II to develop the first atomic bomb. The project was led by the ..United States.., and included participation from the United Kingdom and Canada.Formally designated as the to develop the first Manhattan Engineer District (MED), it refers specifically to the period of the project from 1942–1946 under the control of the U.S. Army Corps of Engineers, under the administration of General Leslie R. [mehr anzeigen...]