b. Vienna, Aug. 9, 1946, music historian; since 1973 responsible for the library, collections and archives of the Gesellschaft der Musikfreunde in Vienna, since 1979 director of the archives; lecturer at the School of Music and Performing Arts in Vienna.
Works#Der Piaristenorden in Oe., 1975; Die Wr. Philharmoniker 1976; F. Schubert und seine Zeit, 1978; J. Brahms in Wien, 1983; "Eben komme ich von Haydn ...", 1987; A. Zemlinsky, 1992. - More than 120 editions of esp. 18th and 19th century compositions.