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.
Wangelin worked at the 200 East and 200 West Areas at Hanford during the Manhattan Project.
Harold L. Stough served in the 390th Air Service Group.
