National Museum of Nuclear Science & History
Robert Hobart worked for the United States Engineer District Office.
H. F. Priest worked for the Union Carbide & Carbon Corporation.
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.
Nathalie Baumbach was an American chemist who worked on the Manhattan Project. Baumbach majored in chemistry at the University of California Los Alamos.
