National Museum of Nuclear Science & History
T. Meadows worked for the Midwest Piping and Supply Company.
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.
Major John A. Derry was a top military assistant, mainly working in Washington D.C., during the Manhattan Project.
K. G. MacLeish worked for the Tennessee Eastman Corporation at the Y-12 Plant.
