Were Pavel Alexandrov and Valentin Turchin were both what?
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.
i don't know