National Museum of Nuclear Science & History
John Raper worked for Clinton Laboratories at the X-10 Reactor.
G. M. Parrish worked for the Roane-Anderson Company.
Howard “Howie” Wilcox was an American physicist. He studied at the University of Minnesota and was a teaching fellow at Harvard when he was recruited to work on the Manhattan Project at Los Alamos.
A. W. Alexander worked for the Tennessee Eastman Corporation at the Y-12 Plant.