Joseph T. DeLorenzo

G. W. Bark

J. W. O. Ash

Henry Stimson

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.

Francis J. Kratch

Francis Kratch worked for the United States Engineer District Office.