Yuri Linnik and Mark Naimark, are Soviet's from which occupation?
Yuri Linnik Yuri Vladimirovich Linnik (Russian: Ю́рий Влади́мирович Ли́нник ; January 8, 1915 – June 30, 1972) was a Soviet mathematician active in number theory, probability theory and mathematical statistics.
Nikita Petrov Nikita Vasilyevich Petrov (Russian: Ники́та Васи́льевич Петро́в , born 31 January 1957, Kiev) is a Russian historian. He works at "Memorial," a Russian organization dedicated to studying Soviet political repression. Petrov specializes in Soviet security services.