National Museum of Nuclear Science & History
J. J. Donovan worked for the H. K. Ferguson Company.
Janice E. Kingslow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Max Wishnefski worked for the United States Engineer District Office.
C. H. Pearson worked for the Kellex Corporation at the K-25 Plant.
Earl Smith worked for the H. K. Ferguson Company.