National Museum of Nuclear Science & History
Ralph E. Telford worked at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Paul Hartsfield worked for Clinton Laboratories at the X-10 Reactor.
Roberta A. Edwards was a lab technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Franklin Summers worked for the United States Engineer District Office.
Fred R. Williams worked for Clinton Laboratories at the X-10 Reactor.