National Museum of Nuclear Science & History
E. R. Spangler worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. H. Leebens worked for the J.A. Jones Construction Company.
Laura A. Marshall was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Cofer worked in the United States Engineer District Office.
B. M. Riney worked for the Roane-Anderson Company.
