Richard B. Tillson

G. B. Cross

Betty Murray

Betty Murray was a technician in the Solvent-Extraction Group at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Warren P. Waters

Warren P. Waters was an American physicist, electrical engineer, inventor, and a machine gunman during World War II.

Ida Cunningham

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