National Museum of Nuclear Science & History
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.
John H. Keyser served in the 393rd Bombardment Squadron.
Kenneth Walsh was an American chemist. Walsh studied as an undergrad at Yankton College in South Dakota.
Ralph Peters worked for the Tennessee Eastman Corporation at the Y-12 Plant.
