National Museum of Nuclear Science & History
M. P. Shelley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
K. L. Mallory served in the 509th Headquarters and Base Services Squadron.
Frank Alvidnes was a staff worker at Los Alamos during the Manhattan Project.
A. D. Caley worked for the Tennessee Eastman Corporation at the Y-12 Plant.