National Museum of Nuclear Science & History
J. L. Farmer worked for the Roane-Anderson Company.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Frank A. Olsson served in the 603rd Air Engineering Squadron.
F. D. Deats worked for the Roane-Anderson Company.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.