Frederick D. Kopka

J.E. Jones

E. T. O’Conner

E. T. O'Conner worked for the Roane-Anderson Company.

C. A. Billings

C. A. Billings worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Samual B. Watson

Samual Watson was a machinist from Kirksy, Kentucky employed at Oak Ridge, Tennessee during the Manhattan Project.