National Museum of Nuclear Science & History
L. H. Roberts worked for the H. K. Ferguson Company.
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.
Clement worked at Los Alamos during the Manhattan Project.
Attended the City College of New York.
C. D. Emmons worked at the 100-F Area at Hanford during the Manhattan Project.