Russian conductor and composer, 1907–1984. Transliteration in Cyrillic - [i]Константин Иванов[/i]
http://en.wikipedia.org/wiki/Konstantin_Ivanov_%28conductor%29
https://ru.wikipedia.org/wiki/%D0%98%D0%B2%D0%B0%D0%BD%D0%BE%D0%B2,_%D0%9A%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D0%B8%D0%BD_%D0%9A%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D0%B8%D0%BD%D0%BE%D0%B2%D0%B8%D1%87