Sanford L. Willner

Ed Helfenberger

Ed Helfenberger worked for the Roane-Anderson Company.

C. E. David

C. E. David worked for the Tennessee Eastman Corporation at the Y-12 Plant.

L. Mikkelsen

John C. Pennock

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.