◆ SpookStack

> t Subsequent Information Received Concerning Associates of Dr. Peierls In February 1952, CIA reported ferls obtained UK clearance through the influence of who had been reported to have had an open code telephon Donald MacLean just prior to the latter's departure from England. Strachey wa have been responsible for having the surveillance o lifted, which reportedly made possible Pontecorvo's escape to Russia. This report also stated that Mrs. Peierls had admitted to being a Communist and had been publicly opposed to Britain's participation in World War II until the USSR entered the war. Association with American Commmist » the AEC was advised by the State Department chat a reported American oe working with Dr. Peierls at the sity of Birmingham; that had resided at the Peierls' home during 1950 and 1951. Subsequen investigation of Brown disclosed he had worked at the University of Birmingham from 1950 to 1961; that reliable sources reported he was a Communist Party er at the Univer- sity of Wisconsin during 1944-46 and at Yale Uni ing 1946-48, His roommate at the University of Wisconsin -was j a President of the American Youth for Democracy (A and reportedly a Oye known Marxist. The AYD designated by the ney General urider Executive Order 19450. association with University during 1946-47 where they studied and worke ontinued together, was also active with the Communist Party County Committee of C during the latter period. In applying for a passport in 1954, admitted joining the student branch of a Party at Yale University in January 1948. In June 1952, ‘was reported to U.S, authorities to have regularly associated w ndividuals known to be members of the Communist Party at the Unive of Birmingham, In fat the Niels Bohr at he was known as a February 1963, a scientist who worked with Institute in Copenhagen, Denmark, reported Association with Alleged Soviet Agent Ca ALE hae HE “harmless Communist sympathizer", f é A current CIA check disclose feport that in December 1950 Dr. Peierls "was an associate of Dr, who was described by a reliable source wn Communist anda nt who was living in England in 1950, | eee function was to collect scientific and technical intelli- gence in England for the Soviets. AEC Division of Security files contain information previously received from CIA and other government agencies concernin He was _ dt, £33