National Museum of Nuclear Science & History
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Perry O. Williams served in the First Ordnance Squadron.
Gerow worked in the United States Engineer District Office.
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.
