National Museum of Nuclear Science & History
Robert McCoy worked for the United States Engineer District Office.
Quentin V. Larson was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
A. C. Smythe worked for the Tennessee Eastman Corporation at the Y-12 Plant.
