Ivan Wyschnegradsky

Ivan Alexandrovich Wyschnegradsky (US: vish-ne-GROD-skee; Russian: Ива́н Алекса́ндрович Вышнегра́дский May 14 [O.S. 2 May] 1893 – September 29, 1979), was a Russian composer primarily known for his microtonal compositions. For most of his life, from 1920 onwards, Wyschnegradsky lived in Paris.