P. G. McDougal

T. H. Little

T. H. Little worked for the Tennessee Eastman Corporation at the Y-12 Plant.

R. E. Graves

R. E. Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.

H. S. Thompson

D.M. Ellett

​D. M. Ellett is a mechanical engineer who joined the Manhattan Project after the end of World War II.