David J. George

James G. Oestreicher

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.

Gertrude Gerhardt

Gunhild M. Swanson

Gunhild Swanson was a staff worker at Los Alamos during the Manhattan Project.