National Museum of Nuclear Science & History
McPhail worked in 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.
S. N. Briscoe worked for the Tennessee Eastman Corporation at the Y-12 Plant.