(b Vienna, 1899; d Santa Barbara, Calif., 1989). Amer. musicologist and writer of Austrian birth. Curator of collections of Vienna Gesellschaft der Musikfreunde 1930–8. Ed. rare works by Haydn, Brahms, Schubert, Schumann, etc. Went to London 1938, worked for BBC and taught at RCM 1939–40. From 1940 resident of USA. Prof. of mus. history and theory, Boston Univ., 1941–62. Prof. of mus. Univ. of California, Santa Barbara, 1962–72. Books incl. biographies of Haydn (1946, rev. 1961, 1982), and Brahms (1934), The Bach Family (1954), Structure of Beethoven's Diabelli Variations (1964), and Johann Sebastian Bach (1966).
From The Concise Oxford Dictionary of Music in Oxford Reference.