National Museum of Nuclear Science & History
R. F. Conkling worked for the J.A. Jones Construction Company.
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.
D. J. Kridel worked for the United States Engineer District Office.