National Museum of Nuclear Science & History
Helen Atchley worked at the Y-12 Plant during the Manhattan Project. She and her best friend, Dorothy Stinnett, are both pictured in Ed Westcott’s famous photograph of people going to work in the Y-12 Plant.
Vincent J. Galvani was a chemical engineer who helped design the trigger mechanism for the atom bomb.
Marie Sperling was a staff worker at Los Alamos during the Manhattan Project.