National Museum of Nuclear Science & History
R. A. Smith worked for the H. K. Ferguson Company.
Malvena Gilman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Anna Barbic was a laboratory assistant in the the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
O. H. Moyer worked for the J.A. Jones Construction Company.
