Date and place of rozhdeniya- November 15, 1941, the Vilyuisk YASSR. Code and name of scientific specialty - 07.00.07 - ethnography, ethnology, anthropology. The period of pedagogical work (since what year) - 1969 Title of the thesis - historical ethnography of the Yakuts: the problem of ethnogenesis and formation of culture. Protected in 1992., The Museum of Anthropology and Ethnography of the Academy of Sciences of St. Peterburga.Napravlenie Studies - Ethnic History of Turkic-speaking peoples of Siberia; traditional, spiritual culture of the Yakuts. More than 250 scientific papers in the field of archeology and ethnology of the Turkic-speaking peoples of Siberia, and in particular - the Yakuts. Of these, about 20 monographs and textbooks for schools. He is a full member of the Academy of Sciences RS (Y) since 1993. In 1995 he was elected a member of the New York Academy of Sciences, and a member of the National Geographic Society of the USA. From 2006- Honored Scientist of Russia. In 2013 - the winner of the State Prize of the RS (Y) in the field of science and technology.