National Museum of Nuclear Science & History
Carothers worked in the United States Engineer District Office.
E. E. Beauchamp worked for Clinton Laboratories at the X-10 Reactor.
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 W. Marden was deputy research director at the Westinghouse Electric Corporation Lamp Plant in Bloomfield, New Jersey.