Georg Unger played the role of Siegfried in which cycle of four Wagner dramas?
Georg Unger Georg Unger (1837 – 1887) was a German tenor most famous for playing Siegfried in "Der Ring des Nibelungen" written by Richard Wagner.
Josef Herrmann Josef Herrmann (20 April 1903 - 19 November 1955) was a German baritone, notable for his performances in the operas of Richard Wagner.