National Museum of Nuclear Science & History
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. J. Schrader worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Conce Vigil was a staff worker at Los Alamos during the Manhattan Project.
Lawrence Antos was a member of the Military Police at Los Alamos. His primary responsibility was checking the passes of civilians entering and exiting Los Alamos.