H. H. Collum

G. G. Underwood

G. G. Underwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Frank Smith

Olney Dean

Olney Dean worked for the Kellex Corporation at the K-25 Plant.

Frank Coogler, Jr.

Coogler worked at the Oak Ridge project site during the Manhattan Project as a member of the U.S. Army Corps of Engineers.