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Boris Weisfeiler, 1979. “Department has been contacted […] concerning Prof. Boris Weisfeiler. He was scheduled to be back at the university January 14 for classes. He has not returned and his friends are extremely concerned. Prof. Weisfeiler has no family in U.S.” (The Department of State document. January 19, 1985) The Department of State first contacted Boris’ sister, Olga, only in September 1990. |
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