National Museum of Nuclear Science & History
Wallace Addis worked for the Kellex Corporation at the K-25 Plant.
Stanton B. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Thomas Guilfoyle was a member of the Military Police at the University of Chicago's Metallurgical Lab from 1943 to 1945.
Ralph Nelson was a staff worker at Los Alamos during the Manhattan Project.
