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.
Leon Love was a metallurgist for the Cook Electronic Company in Chicago, IL, and worked under contract with the Manhattan Engineer District.
Ernie Hudson served in the 1395th Military Police Company, Aviation.
Russell R. Carlson served in the 1027th Air Material Squadron.