L. M. Gragert

H. W. Dunham

J. P. Cole

Cole worked for Stone and Webster Engineering Corporation.

H. E. Buckminster

H. E. Buckminster worked for the Tennessee Eastman Corporation at the Y-12 Plant.

C. E. Tholstrup

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