Ivan Wyschnegradsky

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Ivan Alexandrovich Wyschnegradsky; Is also transliterated as Vïshnegradsky, Wyshnegradsky, Wischnegradsky, Vishnegradsky, or Wishnegradsky (after he emigrated to France, he used "Wyschnegradsky" as spelling for his surname).|group=n}} ( ; September 29, 1979), was a Russian composer primarily known for his microtonal compositions, including the quarter tone scale (24-tet: 50 cents) utilized in his pieces for two pianos in quarter tones. He also used scales of up to 72 divisions (mainly third (18-tet: 66. cents), sixth (36-tet: 33. cents), and twelfth tones (72-tet: 16. cents)). For most of his life, from 1920 onwards, Wyschnegradsky lived in Paris. Provided by Wikipedia