National Museum of Nuclear Science & History
Joseph A. Hornicak served in the 1st Ordnance Squadron.
Agnes Ryan was a staff worker at Los Alamos during 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.
Colonel James Marshall (1897-1977) was district engineer of the Manhattan Engineer District. Marshall earned a position in the Army Corps of Engineers during his years at West Point.
