National Museum of Nuclear Science & History
R. F. Kocher worked for the Tennessee Eastman Corporation at the Y-12 Plant.
D. Shrewsberry worked for the Edenfield Electric Company.
Andrew Stehney was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
O. L. Koch worked for the Midwest Piping and Supply Company.
