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 government of the United States in 1953 at Sing Sing in Ossining, New York, becoming the first American civilians to be executed for such charges and the first to be executed during peacetime.
https://en.wikipedia.org/wiki/Julius_and_Ethel_Rosenberg
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 government of the United States in 1953 at Sing Sing in Ossining, New York, becoming the first American civilians to be executed for such charges and the first to be executed during peacetime.
