National Museum of Nuclear Science & History
Milton Hartnick served in the 603rd Air Engineering Squadron.
Marle Velde worked for the Kellex Corporation at the K-25 Plant.
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.
