Famous interpreter of Beethoven, Brahms, and Schubert. He was known for developing the Istomin-Stern-Rose Trio with Isaac Stern and Leonard Rose. He was a kid prodigy and started performing publicly along with his mom when he was six. He was a bibliophile and consulted on Harcourt Brace Jovanovich Web publishers’ facsimile editions of books by Joseph Conrad and Thomas Hardy. He wedded Marta Montañez Martinez in 1975. She was the widow of cellist and conductor Pablo Casals. He commissioned and premiered the functions of several composers, including Roger Periods.