French composer and conductor (Paris, 8 August 1905 in Paris, France - 20 December 1974). He was the pupil of Paul Le Flem and Edgard Varèse. In 1936, together with Yves Baudrier, Jean Yves Daniel-Lesur and Olivier Messiaen, he founded the group "Jeune France" to promote the new French music.
He wrote mainly chamber music and concertos (among others for Ondes Martenot).
