National Museum of Nuclear Science & History
As Secretary of War under Presidents Franklin D. Roosevelt and Harry Truman, Henry L. Stimson (1867-1950) oversaw the entire Manhattan Project, and was responsible for appointing key project leaders and authorizing project construction sites across the US.
Alfonso Tammaro worked for the United States Engineer District Office.
Patricia Cox Owen joined the Manhattan Project in 1942, where she worked as a secretary for General Groves on the fifth floor of the New War building in Washington, D.
