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National Museum of Nuclear Science & History

Mary M. Dailey

Research Assistant; Health DivisionChicago, IL

Manhattan Project VeteranProject Worker/Staff
Chicago Pile-1

Mary M. Dailey was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project. She was one of ten female scientists to sign the Szilard Petition, a document written by physicist Leo Szilard that attempted to prevent the United States from dropping the atomic bombs on Japan. 

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