National Museum of Nuclear Science & History
Charles Henrich was a member of the Military Police at Los Alamos and worked as a tech sergeant.
Frank Alvidnes was a staff worker at Los Alamos during the Manhattan Project.
N. F. Smyth worked for the Kellex Corporation at the K-25 Plant.
M. A. Corbin worked for the Tennessee Eastman Corporation at the Y-12 Plant.