National Museum of Nuclear Science & History
M. A. Obermeyer worked for the J.A. Jones Construction Company.
R. M. Van Petten worked for the Kellex Corporation at the K-25 Plant.
Gilmore Crosby worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Attended Columbia University.
