National Museum of Nuclear Science & History
H. W. Caldwell worked for the Edenfield Electric Company.
Major Frank Salfingere served in the Army at Los Alamos during the Manhattan Project.
C. D. Emmons worked at the 100-F Area at Hanford during the Manhattan Project.
Roy W. Carlson was an engineer. He worked on the Manhattan Project at Los Alamos and the University of California, Berkeley, as a member of the Explosives Division and Group X-2A.