Henri Pousseur, born Henri Léon Marie-Thérèse Pousseur on June 23, 1929, in Malmedy, Liège Province, Belgium, died March 6, 2009, in Brussels, Belgium, was a Belgian composer, music theorist, and music educator. Pousseur studied at the Conservatoires of Liège and Brussels from 1947 to 1952, joining the ensemble Variations, where he encountered the music of Anton Webern and other 20th-century composers. During military service in 1952–1953, Pousseur maintained contact with André Souris, and met Pierre Boulez in 1951, Karlheinz Stockhausen in 1953, and Luciano Berio in 1956. Pousseur composed the electronic work Scambi in 1957 and the opera Votre Faust with libretto by Michel Butor between 1960 and 1968. Pousseur taught in Cologne, Basel, and at the University at Buffalo, and from 1970 to 1988 served as professor at the University and Conservatory of Liège, founding the Centre de recherches et de formation musicales de Wallonie, renamed Centre Henri Pousseur in 2010. Pousseur died of bronchial pneumonia at age 79.
