- William Perl
William Perl, whose real name was William Mutterperl, was a student at the
City College of New York. As a member of the Steinmetz Club, the campus branch of the Young Communist League, he met and befriended Julius Rosenberg, Morton Sobelland Joel Barr. Perl graduated with a degree in engineering in 1939, and in 1940 began working for the National Advisory Committee for Aeronautics(NACA) at their Langley Army Air Base research facility in Hampton, Virginia. In 1944 Perl transferred to the NACA Lewis Flight Propulsion Laboratoryin Cleveland, Ohio. Both jobs provided Perl with access to extensive classified materials. NACA sent Perl to Columbia Universityto pursue doctoral studies in Physics. While at Columbia, Perl lived in the same Morton Street apartment where Barr and Alfred Saranthad lived. [Radosh and Milton, p. 117]
Following his doctoral work at Columbia, Perl returned to Cleveland to work on a jet propulsion project related to
supersonicflight. Perl was nearly given a position with the U.S. Atomic Energy Commission when his connection with Barr and Sarant, suspected Communists, was turned up by a security check. In July 1950, Vivian Glassman, Barr's fiancée, visited Perl in Cleveland to give him $2,000, advising him to go to Europe. Unlike Barr and Sarant, Perl decided not to flee the country, perhaps thinking he might be able to salvage his career.
Perl appeared before the Rosenberg Grand Jury in the summer of 1950, denying any relationship with Julius Rosenberg, Morton Sobell,
Max Elitcher, Ann Sidorovich, and Michael Sidorovich. The Federal Bureau of Investigationsuspected Perl of providing information to the Soviet Union, and he was arrested on March 15, 1951. Evidence that Perl had engaged in espionageactivities was mostly circumstantial, so the FBI was forced to settle for perjurycharges. In May 1953 a jury found Perl guilty of two counts of perjury for lying about his relationship with Rosenberg and Sobell. He was acquitted of two other counts. Perl served two concurrent 5 year sentences at the New YorkHouse of Detention, maintaining his innocence in any espionage plot.
Decoded Soviet documents, the "Venona files," provide compelling evidence that Perl was indeed a spy. A
June 16, 1944, cable to Moscow reports that Perl had given the KGB"material information about air units for new aircraft." The information was thought so valuable that Perl was given a bonus of $500. The data he provided aided the Soviets in the unique tail-fin design of the MiG-15 fighter used in the Korean War. [Haynes and Klehr, p. 10]
William Perl's codenames in Soviet intelligence are "Gnome", "Yakov", and "Jacob". [Haynes] He is referenced in the following
* 717 KGB New York to Moscow, 10 May 1944
* 732 KGB New York to Moscow, 20 May 1944 [http://www.nsa.gov/venona/releases/20_May_1944_R3_m4_p1.gifGif file] . "Data from Gnome (William Perl) about the Jet (Vozdukh) assembly 19 A of the Westinghouse firm."
* 854 KGB New York to Moscow, 16 June 1944
* 1048 KGB New York to Moscow, 25 July 1944
* 1251 KGB New York to Moscow, 2 September 1944
* 1314 KGB New York to Moscow, 14 September 1944
* 1491 KGB New York to Moscow, 22 October 1944
* 1536 KGB New York to Moscow, 28 October 1944
* 1797 KGB New York to Moscow, 20 December 1944
* 954 KGB Moscow to New York, 20 September 1944
* 154 KGB Moscow to New York, 16 February 1945
* 224 Moscow to New York, 13 March 1945
* 305 KGB Moscow to New York, 1 April 1945
* Douglas Linder, "A Trial Account" (2001)
John Earl Haynesand Harvey Klehr, "Venona: Decoding Soviet Espionage in America", Yale University Press(1999), pg. 259, 347, 449. ISBN 0300077718.
* John Earl Haynes, [http://www.johnearlhaynes.org/page66.html "Cover Name, Cryptonym, CPUSA Party Name, Pseudonym, and Real Name Index. A Research Historian’s Working Reference"] (revised February 2007), on the author's web site.
Ronald Radoshand Joyce Milton, "The Rosenberg File", New Haven: Yale University Press, 1997. ISBN 0-300-07205-8
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