National Museum of Nuclear Science & History
C. A. Lindenmeyer worked for the Midwest Piping and Supply Company.
Floyd L. Hatch served in the 1027th Air Material Squadron.
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.