National Museum of Nuclear Science & History
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.
Frederick Roach served in the Army at Los Alamos during the Manhattan Project.
J. E. Pearman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
