National Museum of Nuclear Science & History
E. H. Merritt worked for the Tennessee Eastman Corporation at the Y-12 Plant.
D. J. McKinzie worked for the Kellex Corporation at the K-25 Plant.
Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold Powell worked for the United States Engineer District Office.