 He studied at the University of Wales, Cardiff, under Alun Hoddinott; with György Ligeti and Karlheinz Stockhausen at Darmstadt; with Bogusław Schaeffer in Krakow and with Don Banks in London.He taught at Leeds College of Music (1969–72) and the University of Wales, Bangor (1973 - 1992), under William Mathias.Early performances included "Fanfares with Variations" and the "Chamber Concerto" with the BBC Welsh Orchestra under John Carewe, and, at the 1967 Cheltenham Festival, his "Two Cadenzas" for piano and "Epitaphium - Children of the Sun" for narrator, chamber choir, piano, flute, clarinet and percussion.