Leonid Vladimirovich Zankov (10 (23) October 1901--27 November 1977)--was a Soviet psychologist and defectologist, a member of Vygotsky Circle and a major administrator of scientific research in the Soviet Union.
Leonid Vladimirovich Zankov (10 (23) October 1901--27 November 1977)--was a Soviet psychologist and defectologist, a member of Vygotsky Circle Yasnitsky (2015). Routledge and a major administrator of scientific research in the Soviet Union.