Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Harold E. Hoover

Chemical EngineerY-12 Plant

Oak Ridge, TN
EngineerManhattan Project VeteranMilitary VeteranSpecial Engineer Detachment
Harold E. Hoover Listen to Harold E. Hoover’s Oral History on Voices of the Manhattan Project

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. 

Related Profiles

Celia M. Ryan

Los Alamos, NM

Celia Ryan was a staff worker at Los Alamos during the Manhattan Project.

Carl R. Seitz

K-25 Plant

Attended Massachusetts Institute of Technology.

Charles Pigott

Y-12 Plant

Charles Pigott worked for the Tennessee Eastman Corporation at the Y-12 Plant.

George N. Lyberger

Tinian Island

George N. Lyberger served in the 1st Ordnance Squadron.