His recordings include the complete solo piano music of both Debussy and Schumann.
He made his London concert debut in 1962 and first performed in New York in 1967 when he appeared with the Cleveland Orchestra under George Szell.
Eleanor Warren of the BBC formed a long-term collaboration between Frankl and his compatriot violinist György Pauk and the American cellist Ralph Kirshbaum.
[3] The BBC later commissioned Fourteen Little Pictures by James MacMillan to mark the 25th anniversary of their trio in 1997.
[4] Frankl is Professor of Piano at the Yale School of Music in New Haven, Connecticut.