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Hertha Töpper
Born: 19th April 1924, Graz, Austria
Died: 28th March 2020, Munich, Germany
Nationality: Austrian
Hertha Töpper was an Austrian contralto in opera and concert, and an academic voice teacher. A member of the Bavarian State Opera, she appeared in leading roles at major international opera houses and festivals.
Read more at https://en.wikipedia.org/wiki/Hertha_Töpper