National Museum of Nuclear Science & History
W. F. McDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Chalgren worked at the 200 West Area at Hanford during the Manhattan Project.
Jas C. Deane worked for the Fercleve Corporation.
Helen Pellock (1926-1957) was a technician in the Chemistry Division of the Chicago Met Lab, working under Glenn Seaborg.