National Museum of Nuclear Science & History
George Ruhl worked for the Kellex Corporation at the K-25 Plant.
Philip M. Barnes served as a lieutenant in the 1st Ordnance Squadron. He was the assistant weaponeer on Bockscar during the Nagasaki bombing mission.
Leonard W. Faist served in the 1st Ordnance Squadron.
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.