Ralph E. Telford

Andrew J. Lane

Helen R. Hughes

Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Alfred E. Lewis

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.