National Museum of Nuclear Science & History
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Bernard West was a civilian worker at the DuPont Chamberworks facility in Deepwater, New Jersey.
