National Museum of Nuclear Science & History
A. G. Underwood 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.
Watson worked at the 300 Area at Hanford during the Manhattan Project.
H. V. Appen worked for the J.A. Jones Construction Company.
