National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
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 the City College of New York.
Nathalie Baumbach was an American chemist who worked on the Manhattan Project. Baumbach majored in chemistry at the University of California Los Alamos.
