National Museum of Nuclear Science & History
R. O. Mitchell worked for the Roane-Anderson Company.
Hyman George Rickover was a Navy admiral who served during World War II who is known as the “Father of the Nuclear Navy” due to his role in developing the first nuclear-powered submarine.
N. B. Walsh worked for the United States Engineer District Office.
M. J. McDaniel worked for Clinton Laboratories at the X-10 Reactor.