Philippe Boesmans (17 May 1936 – 10 April 2022) was a Belgian pianist, composer and academic teacher. He studied to be a pianist at the Royal Conservatory of Liège, and was self-taught as a composer, influenced by the Liège Group of Henri Pousseur, André Souris, and Célestin Deliège, and by attending the Darmstädter Ferienkurse. He worked for the Radio Télévision Belge de la Communauté Française (RTBF) from 1961, as a producer from 1971. Boesman became primarily recognised for his operas, with works written for the Royal Opera House La Monnaie in Brussels as composer in residence since 1985. Four operas were written in collaboration with Luc Bondy who adapted plays for him, Schnitzler's La Ronde, Shakespeare's The Winter's Tale, Strindberg's Miss Julie and Iwona, księżniczka Burgunda by Witold Gombrowicz, and who directed the world premieres of the operas. Au monde was honoured with an International Opera Award in 2015. His last opera will receive its world premiere at La Monnaie in Brussels in December 2022. Life Boesmans was born in Tongeren and studied piano at the Royal Conservatory of Liège, He studied first with , then with Stefan Askenase who advised him to not pursue a career as a concert pianist. At the conservatoire, he was also introduced to serial composition techniques by Pierre Froidebise. However, it was only after coming into contact with the "Liège Group" of Henri Pousseur, André Souris, and ) in 1957 that he began to write music, as a self-taught composer. He attended courses at Darmstädter Ferienkurse. He was also active as a pianist with the Ensemble Musique Nouvelle. In 1961 he became assistant, and in 1971 producer, at the Radio Télévision Belge de la Communauté Française (RTBF), working with the radio orchestra there. From this experience he learned much about composing and orchestrating music. In 1965, he became a member of the Communist Party. In 1971 he won the Prix Italia for his composition Upon La-Mi for horn and voice which won him international recognition. In 1971, he participated in productions of the Centre de Recherches Musicales de Wallonie, collaborating with Pousseur. His works have been performed at the most important festivals of contemporary music, such as Darmstadt, Warsaw, Brussels, Royan, Metz, Avignon, Zagreb, Montréal and Paris. For a short time, Boesmans taught piano and composition at the Royal Conservatory of Liège. He was composer in residence at the La Monnaie opera house in