G. W. Richards Jr.

H. A. K. Whitney

James H. Finigan, Jr.

S. N. Smith

S. N. Smith worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Harold E. Hoover

Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.