After leaving school in 1960 he studied singing and musical education at the Hochschule für Musik Saar with Sibylle Fuchs, Jakob Stämpfli and Paul Lohmann.
He sang at La Scala in Milan, at Covent Garden in London, at the Metropolitan Opera in New York, and at the Vienna State Opera.
He has recorded numerous operas including Der Vampyr, Schwanda the Bagpiper, Martha, Hansel and Gretel, La serva padrona, Parsifal, a 1989 Grammy Award-winning recording of Lohengrin,[2] and a 1982 Grammy Award-winning recording of Der Ring Des Nibelung.
He lives with his family in Sankt Ingbert, Saarland, Germany.
His son is the musical theatre composer Frank Nimsgern.