National Museum of Nuclear Science & History
R. G. Cooper worked for the Union Carbide & Carbon Corporation.
J. C. Ridenour worked for the Roane-Anderson Company.
Clark Worthington served in the 320th Troop Carrier Squadron.
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.
