National Museum of Nuclear Science & History
Wylie Bell worked for the Fercleve Corporation.
Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was asked to help on the Manhattan Project.
E.J. Reagan joined Mound Laboratory in August 1948, where he worked as a doctor. He was responsible for monitoring the health and safety of Mound's employees, and he remained there until he retired in 1988.