National Museum of Nuclear Science & History
T. H. Lackey worked for the Edenfield Electric Company.
George A. Ullrich was a chemist who performed analytical research at Clinton Laboratories in Oak Ridge, TN during the Manhattan Project.
R. H. Snyder worked for the Fercleve Corporation.
Minnie (Heller) Steinberg was a junior biologist in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.