National Museum of Nuclear Science & History
W. A. Cone worked for the J.A. Jones Construction Company.
Robert H. Brown was a chemical engineer/metallurgist. He was educated at Drexel University and Massachusetts Institute of Technology.
August “Gus” Knuth was a millwright and carpenter who helped construct Chicago Pile-1. He was present on December 2, 1942 when the pile went critical in the first self-sustaining chain reaction in history.
W. H. Longtin worked for the United States Engineer District Office.
