Piano virtuoso and recording artist whose debut recording of Prokofiev and Haydn was nominated for a Grammy.
He debuted at Carnegie Hall in November 1960.
He visited Poland in 1978 and persuaded librarians at the Jagiellonian Library to open up an archive of over 1,000 original manuscripts of compositions by luminaries such as Bach and Beethoven that had disappeared during World War II.
He was born into a Jewish family, but later became a Christian Scientist.
He was a student under Carl Friedberg from 1949 until the end of Friedberg's life in 1955.