(b Boston, Mass., 1926; d Rabastens, Fr., 2009).
Amer. musicologist. Settled in Vienna 1948, undertaking meticulous research into life and mus. of Joseph Haydn. Author of book on Haydn syms. (1955) and of Haydn: Chronicle and Works (5 vols., 1976–80), Haydn: a Documentary Study (1981) and Haydn: His Life and Music (1988, with D. Jones), also of edn. of syms. Discovered correct attrib. of ‘Jena’ Symphony. Joint ed. with D. Mitchell of The Mozart Companion (1956, rev. 1965); and author of Beethoven: a Documentary Study (1970), Mozart's Last Year (1988), Mozart: the Golden Years (1989), Mozart and Vienna (1991). Gen. ed. The Mozart Compendium (1990), Vivaldi, Voice of the Baroque (1993).