(b Kazan′, 1/Nov 14, 1904; d Leningrad, Aug 27, 1964). Russian composer. In 1930 he completed studies at the Leningrad Conservatory with Shcherbachyov. He was a committee member of the Leningrad Composers' Union (1941–4, from 1948) and received the title Honoured Artist of the RSFSR in 1957. His reputation rests chiefly on his song cycles and also on the highly modernist Fragmentï.