G. Ratterman

Everette Risley

J. Ernest Wilkins Jr.

J. Ernest Wilkins Jr. (1923-2011) was a prominent African American mathematician and physicist who worked at the University of Chicago Met Lab during the Manhattan Project.

Eleanor Granert

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

J. A. Fawall

J. A. Fawall worked for the Roane-Anderson Company.