Donald F. Pohlman

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.

Edward J. Simon

Edward Simon worked for the Roane-Anderson Company.

J.F. Sembower

Walter H. Herbert