Oleg Moiseyevich Kagan collaborated with which Soviet pianist who died August 1, 1997?
Oleg Kagan: Oleg Moiseyevich Kagan (Russian: Оле́г Моисе́евич Кага́н; 22 November 1946 Yuzhno-Sakhalinsk, Russian SFSR – 15 July 1990, Munich, West Germany) was a Soviet violinist, known for his chamber collaborations with such musicians as pianist Sviatoslav Richter and cellist Natalia Gutman, his wife. Sviatoslav Richter: Sviatoslav Teofilovich Richter (Russian: Святосла́в Теофи́лович Ри́хтер , "Sviatosláv Teofílovich Ríkhter"; ] ; March 20 [O.S. March 7] 1915 – August 1, 1997) was a Soviet pianist known for the depth of his interpretations, virtuoso technique, and vast repertoire.
Sviatoslav Richter