National Museum of Nuclear Science & History
J. J. Donovan worked for the H. K. Ferguson Company.
Eleanor Eekwald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Charles Pigott worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Henry Faul was a geologist working on Enrico Fermi's team at the University of Chicago. He was responsible for prospecting uranium ore in Colorado and Utah.
Hugh Barnett worked for the Union Carbide & Carbon Corporation at Manhattan, NY and Oak Ridge, TN during the Manhattan Project.