International performer who appeared with the most-respected orchestras, festivals, and performance venues.
He was a student at the Paris Conservatoire and later at Columbia University.
He recorded 32 of Beethoven's piano sonatas for RCA.
He toured with his wife, pianist Lilian Kallir, and later his daughter, violinist Pamela Frank.
He was one of Artur Schnabel's protégés and was a student of Schnabel's best-loved pupil Maria Curcio.