The Moscow ConservatoireThe Moscow Conservatoire Quartet (since 1923 – the Beethoven Quartet) the Beethoven Quartet (1903-1974), cellist, teacher of violin (since 1930, since 1935- professor), head of Violin Chair (1956-1986), Peopl`s Artist of the USSR, Laureate of the USSR, State Prize Vassily Retrovich Shirensky (1901-1956), violinist, composer: teacher of score reading and quartet class )1939-1965, since 1950- professor), head of Chamber Ensemble and Quartet Chair (1958-1965), People`s Artist of the RSFSR, Laureate of the USSR State Prize. Sergei Petrovich Shirensky (1903-1974), cellist, teacher of cello (1931-1974, since 1945 – professor), People`s Artist of the RFSR, Laureate of the USSR State Ptize. Vadim Vassilyevich Borisovsky (1900-1974), violist, teacher of viola (1925-1974), People`s Artist of the RSFSR, Laureate of the USSR State Prize.