Graduate, Curtis Institute Music, Philadelphia, 1938.
At 21 he was principal cellist of the Cleveland Orchestra and at 26 was the principal of the New York Philharmonic. He made many recordings as a soloist after 1951, including concertos with conductors such as Leonard Bernstein, Eugene Ormandy, George Szell and Bruno Walter among others Rose also joined with Isaac Stern and Eugene Istomin in a celebrated piano trio.
His pupils include Lori Singer, Raymond Davis, Desmond Hoebig, Peter Stumpf, Fred Sherry, Christopher von Baeyer, Myung-wha Chung, Thomas Demenga, Stephen Kates, Lynn Harrell, Yehuda Hanani, Hans Jørgen Jensen, Eric Kim, Bruce Uchimura, Donald Whitton, Yo-Yo Ma, Ronald Leonard, Steven Pologe, Sara Sant"Ambrogio, Matt Haimovitz, Richard Hirschl, John Sant’Ambrogio, and Marijane Carr Siegal.
He played an Amati cello dated 1662, played today by Gary Hoffman. Rose died in White Plains, New York, of leukemia.
Minnie and Leonard met at Curtis, where she studied viola. Xenia Rose died in 2002.
Grammy Award for Best Chamber Music Performance.
Member faculty Juilliard School Music, New York City, since 1947, Curtis Institute Music, 1951-1962.
Married Minnie Knopow, December, 1938 (deceased. Married Xenia Petschek, January 29, 1965. Children: Barbara Jean, Arthur Ira.