M. Mitchell

J. E. Greever

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.

Percy Hooten

Hooten worked for Stone and Webster Engineering Corporation.

E. J. O’Brien

O'Brien worked for Stone and Webster Engineering Corporation.