John I. Hunt

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.

M. B. Cooley

M. B. Cooley worked for the J.A. Jones Construction Company.

L. A. Riden

L. A. Riden worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Robert J. LeBarr