National Museum of Nuclear Science & History
John Leahy worked for the United States Engineer District Office.
Attended the City College of New York.
Malvena Gilman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Melvin L. Dietrich worked as a welder and electrician in a number of facilities across the Oak Ridge, Tennessee facility.
B. H. Ronfeld served in the 509th Headquarters.