German dramatic tenor of Jewish origin, but a member of the Evangelical Church. Born at Konigsberg. Mantius and Dorn were his teachers, and in 1852 he made his debut in his native city as Almaviva in Mozart's Marriage of Figaro. He then appeared in several cities, being for a time chamber-singer at Carlsruhe. In 1876 he went to Leipsic; from 1878 to 1882 he directed the theatre at Dantzic, and from there removed to Berlin, where he taught singing until 1885. Then he became teacher of solo singing at Cologne Conservatory, but since 1896 he has been director of the opera and concert school at Berlin. He has also composed some songs.