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.
Harry Bales worked for the J.A. Jones Construction Company.
Mark L. Bayrik, Jr. served in the 320th Troop Carrier Squadron.
