Hazel L. Laity

James J. Restivo

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.

J. P. Coffey

Frank Coogler, Jr.

Coogler worked at the Oak Ridge project site during the Manhattan Project as a member of the U.S. Army Corps of Engineers.