John E. Keller

Lester T. Yancy

Blanche J. Lawrence

Blanche J. Lawrence was an African-American research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Roy S. Bonsib

Roy Bonsib was a research associte at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Carl A. Whitaker

Carl Whitaker worked for the Roane-Anderson Company.