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 ''to one "Beck," Identified as Sergei N. Kournakoff, documents pertaining to key personnel at Los Alamos. It was also reported that Hall's, friend, Saville Sax, had delivered a of a report to the USSR Consulate in New York, where Sax was received by the Soviet agent identified under the cover name "Alxius." The individual has been identified as Anatoli Yakolev, who also functioned as the Soviet superior over  Rosenberg and Gold networks. Hall and Sax are both presently residing in Chicago, Illinois. Both of them have been openly in the activities of Communist Party dominated or infiltrated organisations. They have been especially active obtaining signatures to the "Stockholm Peace Pledge." By memorandum dated February 16, 1951, the Chicago Office was instructed to conduct comprehensive interviews with both Hall and Sax. Chicago has asked New Uork for additional regarding Kournakoff prior to conducting the Interview,  being followed closely.''

''Sergei N. Kournakoff was, during the period when in contact with Hall and Sax, also the military analyst for Daily Worker and New Masses. In 1946 he returned to the Union. The Daily Worker er July 19, 1949, reported that he in Moscow on July 5, 1949. Other information from would appear to indicate that he operated as a Soviet  agent mainly in the infiltration of White Russian activities. We are continuing to conduct investigation of these activities in an effort to identify other Soviet agents.''

''SCIENTIFIC DEVELOPMENT ''



''Information from substantiated  investigation, has shown that Andrei Ivanovich Schevchenko  group leader in an espionage network which was obtaining information regarding scientific developments. Schevchenko, Russian National, arrived in the United States at New York  June 19, 1942, as an engineer of the Soviet Government  Commission. Shortly thereafter he became the Russian at the Bell Aircraft Corporation in Buffalo, In York, for inspection of aircraft allocated to the Soviet Union. On February 23, 1945, he became a Vice-Chairman on the Amtorg''