National Museum of Nuclear Science & History
Norma Gross was an American chemist. She was married to an Army lieutenant who was stationed at Los Alamos during the Second World War.
Gladys Evans worked as a Calutron girl at the Y-12 Plant at Oak Ridge, TN. She experienced the living conditions at Oak Ridge, including the weather, heightened security, and social life.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.