National Museum of Nuclear Science & History
Thelma Clark worked for the Roane-Anderson Company.
Edna K. Marks was a junior biologist and technician in the Health Division at the University of Chicago Met Lab.
E. F. Riggs worked for the Tennessee Eastman Corporation at the Y-12 Plant.
F. A. Lehmann worked for the Tennessee Eastman Corporation at the Y-12 Plant.
