(b Vienna, 1904; d Vienna, 1991). Austrian musicologist. Prof. at Vienna Univ. 1932–73. Dir., mus. division, Vienna Nat. Library 1946–69. Author of books on Liszt (1936), Haydn (1951), and Bruckner (1947, 1973). Ed., following R. Haas in 1945, of complete works of Bruckner.
From The Concise Oxford Dictionary of Music in Oxford Reference.