National Museum of Nuclear Science & History
J. F. Ryan worked for Clinton Laboratories at the X-10 Reactor.
Smith worked at the 300 Area at Hanford during the Manhattan Project.
Raycliffe C. Davis was a graduate of Central College in Pella, Iowa. He joined the Army while living in Cedar Rapids, IA, and was assigned with Special Engineering Detachment in Oak Ridge, TN in April 1944.
