Olszewska, Maria eigentlich M. Berchtenbreitner#
b. Ludwigsschwaige (Germany), Aug. 12, 1892, d. Klagenfurt (Carinthia), May 17, 1969, singer (contralto and mezzo-soprano). 1921-1930 at the Viennese State Opera (otherwise Covent Garden and Hamburg), 1947-1949 taught at the Viennese Conservatory.