National Museum of Nuclear Science & History
V. J. Johnson worked for the Union Carbide & Carbon Corporation.
Walker worked at the 300 Area at Hanford during the Manhattan Project.
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.
