National Museum of Nuclear Science & History
F. J. Fry worked for the Fercleve Corporation.
Martin Kamen (1913-2002) was a Canadian-American physicist. Kamen was seemingly destined for a landmark career in physics when he arrived at the Radiological Laboratory at the University of California, Berkeley in 1936.
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.