National Museum of Nuclear Science & History
J. F. Chapman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
K. D. Wallace worked for Clinton Laboratories at the X-10 Reactor.
Harry Reason was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
T. M. Mitchell worked for the Roane-Anderson Company.
Paul R. O’Connor was a junior chemist at the University of Chicago Met Lab during the Manhattan Project.
