National Museum of Nuclear Science & History
Gerhardt Padalski was a staff worker at Los Alamos during the Manhattan Project.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
P. J. Galbreath worked for the Tennessee Eastman Corporation at the Y-12 Plant.
E. S. Bettis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
