National Museum of Nuclear Science & History
Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. C. Watkins worked for the United States Engineer District Office.
Morris worked in the 300 Area at Hanford during the Manhattan Project.
Virginia Towle was a technician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.