National Museum of Nuclear Science & History
Robert Reynolds was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
C. H. Lawson worked for the Roane-Anderson Company.