National Museum of Nuclear Science & History
J. O. Parks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gerald Landsman worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
Jake Lewis worked for the U.S. Vanadium 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.