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.
Russell E. Gackenbach served as a 2nd Lieutenant in the 393rd Bombardment Squadron and in the 509th Composite Group.
Grace Hardin worked for the J.A. Jones Construction Company.
Al Threadgill worked for the Tennessee Eastman Corporation at the Y-12 Plant.
