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. They were executed by the federal government of the United States in 1953 using New York's state execution chamber in 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. Other convicted co-conspirators were sentenced to prison, including Ethel's brother, David Greenglass (who had made a plea agreement), Harry Gold, and Morton Sobell. Klaus Fuchs, a German scientist working at the Los Alamos Laboratory, was convicted in the United Kingdom. For decades, many people, including the Rosenbergs' sons (Michael and Robert Meeropol), initially maintained that both parents were – and later that Ethel was – innocent of spying and have sought an exoneration from multiple U.S. presidents. Among records the U.S. government declassified after the fall of the Soviet Union are many related to the Rosenbergs, including a trove of decoded Soviet cables (code-name Venona), which detailed Julius's role as a courier and recruiter for the Soviets. In 2008, the National Archives of the United States published most of the grand jury testimony related to the prosecution of the Rosenbergs. Freedom of Information Act (FOIA) requests filed about the Rosenbergs and the legal case against them have resulted in additional U.S. government records being made public, including formerly classified materials from U.S. intelligence agencies.
Early lives and education
Julius Rosenberg was born on May 12, 1918, in New York City to a family of Jewish immigrants from the Russian Empire. The family moved to the Lower East Side by the time Julius was 11. His parents worked in the shops of the Lower East Side as Julius attended Seward Park High School. Julius became a leader in the Young Communist League USA while at City College of New York during the Great Depression. In 1939, he graduated with a degree in electrical engineering. Ethel Greenglass was born on September 28, 1915, to a Jewish family in Manhattan. She had a brother, David Greenglass. She originally was an aspiring actress and singer but eventually took a secretarial job at a shipping company. She became involved in labor disputes and joined the Young Communist League, where she met Julius in 1936. They married in 1939.
Espionage Julius Rosenberg joined the Army Signal Corps Engineering Laboratories at Fort Monmouth, New Jersey, in 1940, where he worked as an engineer-inspector until 1945. He was discharged when the U.S. Army discovered his previous membership in the Communist Party USA. Important research on electronics, communications, radar and guided missile controls was undertaken at Fort Monmouth during World War II. According to a 2001 book by his former handler Aleksandr Feklisov, Rosenberg was originally recruited to spy for the interior ministry of the Soviet Union, NKVD, on Labor Day 1942 by a former spymaster Semyon Semyonov. Rosenberg had been introduced to Semyonov by Bernard Schuster, a high-ranking member of the Communist Party USA and NKVD liaison for Earl Browder. After Semyonov was recalled to Moscow in 1944 his duties were taken over by Feklisov. Rosenberg provided thousands of classified reports from Emerson Radio, including a complete proximity fuze. Under Feklisov's supervision, Rosenberg recruited sympathetic individuals into NKVD service, including Joel Barr, Alfred Sarant, William Perl, and Morton Sobell, also an engineer. Perl supplied Feklisov, under Rosenberg's direction, with thousands of documents from the National Advisory Committee for Aeronautics, including a complete set of design and production drawings for Lockheed's P-80 Shooting Star, the first U.S. operational jet fighter. Feklisov learned through Rosenberg that Ethel's brother David was working on the top-secret Manhattan Project at the Los Alamos National Laboratory; he directed Julius to recruit David. In February 1944, Rosenberg succeeded in recruiting a second source of Manhattan Project information, engineer Russell McNutt, who worked on designs for the plants at Oak Ridge National Laboratory. For this success Rosenberg received a $100 bonus. McNutt's employment provided access to secrets about processes for manufacturing weapons-grade uranium. The U.S. did not share information with, nor seek assistance from, the Soviet Union regarding the Manhattan Project. The West was shocked by the speed with which the Soviets were able to stage "Joe 1", its first nuclear test, on August 29, 1949. However, Lavrentiy Beria, the head official of the Soviet nuclear project, used foreign intelligence only as a third-party check rather than giving it directly to the design teams, whom he did not clear to know about the espionage efforts, and the development was indigenous. Considering that the pace of the Soviet program was set primarily by the amount of uranium that it could procure, it is difficult for scholars to judge accurately how much time was saved, if any.
Rosenberg case
Arrest
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