National Museum of Nuclear Science & History
H. H. May 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.
Buettner worked in the United States Engineer District.
H. H. Denny worked for the H. K. Ferguson Company.