National Museum of Nuclear Science & History
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
Guy Fisher worked for the J.A. Jones Construction Company.
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
