National Museum of Nuclear Science & History
K. G. MacLeish worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James Nolan was a captain in the Provisional Engineer Detachment at Los Alamos.
J. R. Henson worked for Clinton Laboratories at the X-10 Reactor.
John E. Cantlon served as a 2nd lieutenant in the 393rd Bombardment Squadron. He participated in the mission to Nagasaki as the co-pilot of the Big Stink, though he was regularly assigned to the Necessary Evil.