Sviatoslav Teofilovich Richter (Russian: Святослав Теофилович Рихтер Sviatosláv Teofílovich Ríkhter, Russian pronunciation: [svʲjətəsˈlaf tʲɪəˈfʲiləvʲɪtɕ ˈrʲixtər], Ukrainian: Святослав Теофілович Ріхтер; March 20 [O.S. March 7] 1915 – August 1, 1997) was a Soviet pianist well known for the depth of his interpretations, virtuoso technique, and vast repertoire. He is widely considered one of the greatest pianists of the 20th century.