National Museum of Nuclear Science & History
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.
Attended Akron University.
J. O. Donley worked at the 200 West Area at Hanford during the Manhattan Project.
J. W. Stein worked for the Union Carbide & Carbon Corporation.
