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.
Lawrence J. Stasiak served in the 509th Headquarters.
Lee Krejci worked for the United States Engineer District Office.
Louis Fasulo worked at Los Alamos for nine years, beginning in 1943. In 1952, he began a 31 year long career with the Rocky Flats nuclear weapons plant.