Question: Anatoly Maltsev and Valentin Turchin were both from Russia, which of the two is known for his work as a mathematician?
Sentence (from "Valentin Turchin"): Valentin Fyodorovich Turchin (Russian: Валенти́н Фёдорович Турчи́н , 14 February 1931 in Podolsk – 7 April 2010 in Oakland, New Jersey) was a Soviet and American cybernetician and computer scientist.
Relevant evidence: Yes