National Museum of Nuclear Science & History
Jessen worked at the 300 Area at Hanford during the Manhattan Project.
Gilbert S. Frese served in the 320th Troop Carrier Squadron.
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.
