Julius Rosenberg (May 12, 1918 – June 19, 1953) and Ethel Rosenberg (née Greenglass; September 28, 1915 – June 19, 1953) were an American married couple who were convicted of spying for the Soviet Union, including providing top-secret information about American radar, sonar, jet propulsion engines, and nuclear weapon designs. Convicted of espionage in 1951, they were executed by the federal govern