National Museum of Nuclear Science & History
A. F. Young served in the 509th Headquarters.
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.
Attended Columbia University.
J. P. Sinclair worked for Clinton Laboratories at the X-10 Reactor.
