National Museum of Nuclear Science & History
O. H. Moyer worked for the J.A. Jones Construction Company.
Audrey Smythe worked for the Union Carbide & Carbon Corporation.
Thomas H. Brumagin served as a 2nd lieutenant in the 393rd Bombardment Squadron.
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.
