How Did Lotte Lehmann Die?

Charlotte "Lotte" Pauline Sophie Lehmann was a German-American dramatic soprano noted for her successful performances with international opera houses, on the recital stage and in teaching. She gave memorable appearances in the operas of Richard Strauss, Richard Wagner, Ludwig van Beethoven, Puccini, Mozart, and Massenet. The Marschallin in Der Rosenkavalier, Sieglinde in Die Walküre and the title-role in Fidelio are considered her greatest roles.