National Museum of Nuclear Science & History
Wilbur E. Davis worked at the 200 West Area at Hanford during the Manhattan Project.
F. D. Ramos worked for the Kellex Corporation at the K-25 Plant.
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.
Frederick Roach served in the Army at Los Alamos during the Manhattan Project.