Robert K. Davis

Eugene J. Kennedy

M. A. Campbell

M. A. Campbell worked for the Roane-Anderson Company.

Katherine Gnjec

Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Theron G. Finzel

Dr. Theron G. Finzel was a chemical engineer/chemist. He worked for DuPont, and was  asked to help on the Manhattan Project.