National Museum of Nuclear Science & History
Allen A. Birkenkamp served in the 1st Ordnance Squadron.
Hazel Hammond worked for Clinton Laboratories at the X-10 Reactor.
Halloran worked in the United States Engineer District Office.
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.
