George Hackbarth

Malvena Gilman

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

Richard F. Austin

G.F. Sadler

Quentin V. Larson

Quentin V. Larson was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.