National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Ernest Capell worked for the Poe Piping & Heating Company.
Marvin Martin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Thomas Astarita served in the 1st Ordnance Squadron.
