National Museum of Nuclear Science & History
Copeland worked in the United States Engineer District Office.
Ernest Capell worked for the Poe Piping & Heating 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.
E. P. Epler worked for the Tennessee Eastman Corporation at the Y-12 Plant.
