National Museum of Nuclear Science & History
Mary Thomas worked for the J.A. Jones Construction Company.
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.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
Carrol Sutton worked for the Roane-Anderson Company.
Arnold Tiller worked for the Tennessee Eastman Corporation at the Y-12 Plant.