- Sigrid Wiesmann
(b Vienna, Aug 22, 1913; d Vienna, Sept 30, 1987). Austrian composer. He studied theory and composition with Joseph Marx (i) and Egon Lustgarten, and the organ and piano with Carl Lafite. After serving in the armed forces during World War II, he became an organist and choirmaster in Linz (from 1945). In this role, and as a teacher and organizer, he sought to improve and rejuvenate cultural life, working in conjunction with the Viennese section of the ISCM and the Jeunesses Musicales. He directed the musical administration of Vienna (1951–3) and later served as chair of the Österreichischer Komponistenbund (1965–70). In 1972 he was appointed professor at the Vienna Akademie für Musik und Darstellende Kunst.
As a composer, Schollum was initially influenced by the music of Debussy and by aspects of folksong. Following the war, he turned increasingly to neo-classicism. He eventually adopted 12-note techniques, maintaining a serial orientation even when he incorporated aleatory elements and sound planes into his style. Among his most important works are ...