M.L. Sappenfield

Ruth P. Rhoades

Ruth Rhoades was an associate biologist at the Metallurgical Laboratory in Chicago during the Manhattan Project.

William A. Bains, Jr.

Eleanor Lewis

Eleanor Lewis was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Dwight Smith Young

Dwight Young (1892-1975) was a professional photographer working at a box factory when he heard about an opening at the University of Chicago’s Metallurgical Laboratory.