National Museum of Nuclear Science & History
Ray worked at the 100-F area at Hanford during the Manhattan Project.
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.
R. H. Eichorn worked for the Roane-Anderson Company.
H. B. Hansard, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.