Mary Kelly

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

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Leon Love was a metallurgist for the Cook Electronic Company in Chicago, IL, and worked under contract with the Manhattan Engineer District.

Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Attended South Dakota School of Mines.