National Museum of Nuclear Science & History
R. H. Martin worked for the United States Engineer District Office.
T. R. Disbrow worked for the Roane-Anderson Company.
Robert D. Hannah served in the 320th Troop Carrier Squadron.
Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
