National Museum of Nuclear Science & History
Jean Ashin was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
B. P. Gump worked for the Roane-Anderson Company.
Elbert B. Smith served in the 393rd Bombardment Squadron.
Gilbert Plass was a Canadian physicist. Plass was born in 1922 in Toronto. He received a B.S. in physics from Harvard University before being hired to work on the Manhattan Project at the Chicago Met Lab, where he worked as an associate physicist.
P. F. Grieger worked for the Tennessee Eastman Corporation at the Y-12 Plant.