Semyon Aranovich Gershgorin and Vladimir Berkovich, have which occupation?
Vladimir Berkovich Vladimir Berkovich is a mathematician at the Weizmann Institute of Science who introduced Berkovich spaces. His Ph.D. advisor was Yuri I. Manin. Berkovich was a visiting scholar at the Institute for Advanced Study in 1991-92 and again in the summer of 2000.
Alexander Politkovsky Alexander Vladimirovich Politkovsky (Russian: Алекса́ндр Влади́мирович Политко́вский ; born September 15, 1953) is a Russian journalist, political commentator, and a professor at the Moscow Institute of Television and Radio Broadcasting.