National Museum of Nuclear Science & History
William Swank worked for the Kellex Corporation at the K-25 Plant.
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.
J. R. Brand worked for Clinton Laboratories at the X-10 Reactor.