National Museum of Nuclear Science & History
G. W. Johnson worked for the Edenfield Electric Company.
Bretscher worked at Los Alamos during the Manhattan Project.
James King worked at the Y-12 Plant in Oak Ridge, Tennessee, in the uranium purification process from February 1944 to February 1947.
E. J. Brenneis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
