When Did Derek Hammond-Stroud Die?

Derek Hammond-Stroud was an English baritone opera singer best known for his performances of German lieder and his international performances in opera, particularly the roles of Alberich in Wagner's Der Ring des Nibelungen, Herr Faninal in Der Rosenkavalier and Beckmesser in Die Meistersinger von Nürnberg. He also made recordings, including a series of recordings of the Gilbert and Sullivan patter roles.