National Museum of Nuclear Science & History
C. W. Fish worked for the J.A. Jones Construction Company.
James C. Hobbs was an American inventor and engineer who created a key part of the valves used in the K-25 gaseous diffusion plant in Oak Ridge, TN.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
Donavan worked in the United States Engineer District Office.
