Sviatoslav Teofilovich Richter (Russian: Святосла́в Теофи́лович Ри́хтер, tr. Sviatosláv Teofílovich Ríkhter; IPA: [svʲjətɐsˈlaf tʲɪɐˈfʲiləvʲɪtɕ ˈrʲixtər], Ukrainian: Святосла́в Теофі́лович Рі́хтер; March 20 [O.S. March 7] 1915 – August 1, 1997) was a Russian pianist known for the depth of his interpretations, virtuoso technique, and vast repertoire. He is considered one of the greatest pianists of the 20th century.