National Museum of Nuclear Science & History
Ralph E. Telford worked at the Metallurgical Laboratory in Chicago during the Manhattan Project.
C. O. Cassada worked for the J.A. Jones Construction Company.
Robert S. Coles was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
B. W. Bromley worked for the Tennessee Eastman Corporation at the Y-12 Plant.