National Museum of Nuclear Science & History
L. G. Chelius worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
D. M. Black worked for Clinton Laboratories at the X-10 Reactor.
Robert Byrd worked for the Poe Piping & Heating Company.