National Museum of Nuclear Science & History
H. R. Pancoast worked for the Comstock-Bryant Electric 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 100-D Area at Hanford during the Manhattan Project.