Sofia Ivanovna Druzyakina (1880-1953), singer.
Sofia Ivanovna Druzyakina (1880-1953), singer. Artistic director of the opera studio (1959-1961). People`s Artist of the USSR, Laureate of the USSR State Prize.
Xelena Nickolayevna Dorliac (1882-1945).
Xelena Nickolayevna Dorliac (1882-1945), singer. Professor of solo and chamber singing (1930-1945), head of the opera studio (1933-1934), artistic director of the opera studio (1944-1945). Merited Art Worker of the RSFSR.