National Museum of Nuclear Science & History
V. J. Johnson worked for the Union Carbide & Carbon Corporation.
F. D. Deats worked for the Roane-Anderson Company.
Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sergeant James T. Harris was a member of the Special Engineer Detachment stationed at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
A. A. Nickman worked for the Kellex Corporation at the K-25 Plant.