R. A. Mitchell

R. W. Llewellyn

R. W. Llewellyn worked for the United States Engineer District Office.

Dan F. Sims

H. W. Brackney

H. W. Brackney worked for the Tennessee Eastman Corporation at the Y-12 Plant.

James C. Stowers

Lt. Col. James C. Stowers was an engineer in the Army Corps of Engineers and became the unit chief for the K-25 Gaseous Diffusion Plant.