National Museum of Nuclear Science & History
Fred Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arthur Sievert worked for Hanley & Company.
M. B. Stringfellow worked for the Edenfield Electric Company.
Samuel Allan Kline was a student majoring in physics at the University of Chicago before going to Los Alamos to work as a physicist.
B. K. Coghlan, Jr. worked for the Kellex Corporation at the K-25 Plant.