National Museum of Nuclear Science & History
Butts worked for Stone and Webster Engineering Corporation.
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.
Alan E. Florin was a research associate in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
G. M. Fleetwood worked for the Fercleve Corporation.