National Museum of Nuclear Science & History
Ira Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A. M. Jenkins worked for the United States Engineer District Office.
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.