Bebop and cool-jazz artist who gained a sterling reputation as a choice accompanist, working with Peggy Lee and Ella Fitzgerald.
He became a professional by the time he was 19.
He played with the likes of , Tommy Dorsey, and Flip Phillips.
He was born in Chicago to Jewish parents who encouraged his musical development. He began piano lessons when he was 12.
He embraced new forms of jazz, but never abandoned the principles he learned from listening to Bud Powell.