National Museum of Nuclear Science & History
R. L. Fellers worked for the Tennessee Eastman Corporation at the Y-12 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.
Frank Graham worked for the Midwest Piping and Supply Company.
Nick Salazar is a Manhattan Project veteran and a longtime employee of the Los Alamos National Laboratory.