National Museum of Nuclear Science & History
H. L. Small worked for the Kellex Corporation at the K-25 Plant.
Earl Spring was a staff worker at Los Alamos during the Manhattan Project.
Arthur R. Hanson served in the 320th Troop Carrier Squadron.
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Joseph G. Shaller served in the 393rd Bombardment Squadron.
