Leslie Groves
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Leslie Richard Groves (August 17, 1896 - July 13, 1970) was a member of the United States Army who oversaw the construction of the Pentagon and the primary military leader in charge of the Manhattan Project to develop the atomic bomb during World War II.
Born in Albany, New York he was educated at the University of Washington and MIT before attending West Point. He graduated in 1918 and was commissioned into the Army Corps of Engineers, completing his engineering studies at Camp Humphreys, 1918-21. He married Grace Hulbert Wilson in 1922.
After working throughout the United States he was attached to the Office of the Chief of Engineers and received a promotion to Captain in October 1934 and following courses at the General Staff College at Fort Leavenworth (1936) and the Army War College (1939) he was promoted to Major in 1940 and posted to the General Staff in Washington. He was deputy to the Chief of Construction and oversaw a number of projects including the construction of the Pentagon in 1940. In the same year he was promoted to Colonel.
In September 1942 he was made temporary Brigadier General and appointed as the military director of the nascent Manhattan Engineer District of the US Army Corps of Engineers, he provided the code-name 'Manhattan' himself from his Corps habit of naming districts after their headquarters' city. He had been seeking action overseas and was initially highly dubious of attaching himself to a little regarded weapons project. He was important in determining the sites to be used, finally deciding on Oak Ridge, Tennessee, Los Alamos, New Mexico and Hanford Engineering in Washington state, as the primary sites for theoretical research and materials production. See Los Alamos National Laboratory for a detailed examination of the project.
Groves was one of the early proponents of using waste by-product from nuclear reactors as a weapon that would eventually become depleted uranium.
Groves was promoted to temporary Major General in 1944.
He continued to play a role at Los Alamos as Chief of Army Special Weapons Project until January 1947 when the military relinquished control to the Atomic Energy Commission. Groves was made Lieutenant General in 1948, just before his retirement on February 29, 1948.
Groves went on to become a Vice-President at Sperry Rand.fr:Leslie Richard Groves pt:Leslie Groves