He was born in Buchs, Switzerland on 07/09/1930. He studied voice under Marco Rothmüller, Sylvia Gähwiller and Hans Duhan. He began his career in Graz, Austria in 1953. He sang in the Zürich Opera House (1955-1957), at the State Theatre in Wiesbaden (1957-1959), the Frankfurt Opera House (1959-1963) and subsequently at the Deutsche Oper Berlin. He appeared regularly in the Salzburg Festival as Bartolo (Le nozze di Figaro) (1963-64), Banco (Macbeth) (1964), in the premiere of Ηans Werner Henze’s (Die Bassariden) (1966) and in Krzysztof Penderecki’s Magnificat (1974). He participated in the Swiss premiere of Werner Egk’s opera Peer Gynt (1955/56) and in the premiere of Louise Talma’s opera Alkestiade (Frankfurt, 1962). He sang in the Glyndebourne Festival, Festival International d'Art Lyrique d'Aix-en-Provence, Lucerne Festival and the Edinburgh International Festival as well as at the Vienna State Opera, Hamburg State Opera, in Munich, Paris, Lyon, Warsaw, Naples, Madrid, Rio de Janeiro, and Washington. His repertoire includes the roles Sarastro (Die Zauberflöte), Caspar (/Der Freischütz), Daland (Der fliegende Holländer), Kecal (Prodaná nevěsta), Hunding (Die Walküre), Crespel (Les contes d'Hoffmann), Varlaam (Boris Godunov). He also appeared extensively in concert performances of contemporary music. In 1970 he was awarded by the German government for his contribution. His large number of recordings includ Le nozze di Figaro (DG), Macbeth, Fidelio (Eurodisc), Don Giovanni (HMV-Electrola), Le prophète (GAM), etc. He died in Berlin on 17/09/1979. He worked with the GNO in the production of Macbeth as Banco (Athens Festival, Herodeion, 1968/69). // Last update of the biography: November 2018 - The list of productions below is complete.