Born in the town of Michurinsk, Tambov region. Member of the Union of artists of Russian Federation since 1957. Honored worker of culture (1980), the winner of the competition of dramatic and musical performances (1967), laureate of the contest of musical performances (1968). The participant of the great Patriotic war. In 1945-1950 he studied at the Palekh art school. Teacher - N.M.Parilov, D. N. A. Butorin. In 1950-1954 he worked in the Association of Palekh artists. In the years 1955-1983 taught at the Palekh art school. In 1960 his works are honored with a silver medal VDNH USSR. Buried in Palekh.
Was engaged in monumental painting (painting of foyer of a concert hall "Russia" the head of the brigade (1971)), theatrical-decorative art (design of ballet I. Schwartz "Choreographic miniatures on Russian themes" (1965) and the play "Wonderland" (1967) for the Leningrad State academic theatre of Opera and ballet. S. M. Kirova), book illustration (book design by A. Nikitin "Journey beyond three seas" together with D. N. By Butorina (1958)), the restoration of frescoes. Themes of works: folklore, literature, modern. Participant of exhibitions since 1952.
The work of B. M. nemtinova are stored in museums: the State Museum of Palekh art, the Irkutsk regional art Museum.