Jonathan Stewart Vickers, (October 29, 1926 – July 10, 2015), known professionally as Jon Vickers, was a Canadian heldentenor. Born in Prince Albert, Saskatchewan, he was the sixth in a family of eight children. In 1950, he was awarded a scholarship to study opera at The Royal Conservatory of Music in Toronto. In 1957 Vickers joined London’s Royal Opera House, Covent Garden company. In 1960 he joined the Metropolitan Opera. He became world-famous for a wide range of German, French, and Italian roles.
https://en.wikipedia.org/wiki/Jon_Vickers