Grob-Prandl, Gertrud, Austrian soprano; b. Vienna, Nov. 11, 1917; d. there, May 16, 1995. She was a student of Burian in Vienna. In 1938 she made her operatic debut as Santuzza at the Vienna Volksoper. After singing at the Zurich Opera (1946-47), she was a valued member of the Vienna State Opera (1947-64). She also appeared at London’s Covent Garden (from 1951), in Milan, Berlin, and South America. She was known for her Wagnerian roles, most notably Ortrud, Brunnhilde, and Isolde.
—Nicolas Slonimsky/Laura Kuhn/Dennis McIntire