National Museum of Nuclear Science & History
R. W. McElwee worked for the Union Carbide & Carbon Corporation.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lucille Whitman worked as a secretary for Tennessee Eastman during the Manhattan Project in Oak Ridge.
Arthur S. Olson was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. L. Shaefer worked for the Edenfield Electric Company.