One of Vienna's most acclaimed pianists and teachers following his 1852 debut.
He studied at Agram under choir director Vatroslav Lichtenegger and also at Vienna.
He served as professor of piano at the Vienna Conservatory from 1867 until 1901.
He fathered two daughters--cellist Rudolfine Epstein and violinist Eugénie Epstein--and a son, Richard, who was also a professor of piano at the Vienna Conservatorium.
He and Johannes Brahms were good friends.