National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
John Deal worked for the Kellex Corporation at the K-25 Plant.
Frank McLaughlin served in the 1st Ordnance Squadron.
Duren Howard Shields was a staff worker at Los Alamos during the Manhattan Project. During his time there, he worked on building the experimental casing for the bomb.
Paul Stewart worked for the Roane-Anderson Company.