National Museum of Nuclear Science & History
H. A. McWade worked for the Edenfield Electric Company.
Albert L. Evand was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. J. Risdon worked for the Roane-Anderson Company.
Anna Barbic was a laboratory assistant in the the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
