National Museum of Nuclear Science & History
W. A. Rodgers worked for Clinton Laboratories at the X-10 Reactor.
L. C. Manheimer worked for the Roane-Anderson Company.
Henry Paul was a staff worker at Los Alamos during the Manhattan Project.
Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.