Description: (Atomic Spy for the Soviet Union Who Worked on the 'Manhattan Project')
David Greenglass was an American machinist who worked on the Manhattan Project and served as an atomic spy for the Soviet Union. He was stationed at the Clinton Engineer Works uranium enrichment facility at Oak Ridge, Tennessee, and later worked at the Los Alamos Laboratory in New Mexico. Greenglass provided testimony that led to the conviction and execution of Ethel and Julius Rosenberg for espionage. He served nine and a half years in prison for his involvement in the spy ring.