National Museum of Nuclear Science & History
H. G. Singleton worked for the Roane-Anderson Company.
Ingri Prestbo worked for the United States Engineer District Office.
M. D. Peterson worked for Clinton Laboratories at the X-10 Reactor.
John C. Pennock attended Cornell University, where he studied engineering. He was a member of the Special Engineer Detachment at Oak Ridge, where he worked as a technical engineer at the K-25 Plant.
Brown worked for Stone and Webster Engineering Corporation.
