National Museum of Nuclear Science & History
J. H. Marsh worked for the Kellex Corporation at the K-25 Plant.
Edward J. Gmach served in the 1st Ordnance Squadron.
Willis Throckmorton was a staff worker at Los Alamos during the Manhattan Project.
Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.
