John P. Wittemore

Bernice Feldman

Bernice Feldman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

R. A. Thompson

R. A. Thompson worked for Hanley & Company.

Dorothy Ritter

Dorothy Ritter is the daughter of Francis Oley, who worked on the Manhattan Project for the Kellex Corporation.

George Heger