National Museum of Nuclear Science & History
J. J. Donovan worked for the H. K. Ferguson Company.
Virginia Bisbeg was a technical worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lemmon was a Technical Sergeant who worked at Hanford during the Manhattan Project.
Mary Lanahan was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
