 However, he had a distinguished, brighter-voiced Wagnerian rival during the 1960s, 70s, and 80s in the person of Thomas Stewart of America.Other notable post-War Wagnerian baritones have been Canada's George London, Germany's Hermann Uhde and, more recently, America's James Morris.Among the late-20th-century baritones noted throughout the opera world for their Verdi performances was Vladimir Chernov, who emerged from the former USSR to sing at the Met.