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.
Eleanor Irvine Davisson was Ernest O. Lawrence’s secretary at the University of California Berkeley from October 1945 until his death in 1958.
J. H. Leebens worked for the J.A. Jones Construction Company.