Printmaker, painter and teacher, born in Leeds, Yorkshire. He studied at Leeds College of Art and Royal College of Art, 1961–4. Taught at Winchester College of Art and Central School of Art, becoming professor of print at Royal Academy Schools. Won a number of awards at Bradford International Print Biennale, 1972 and 1982; RE in 1984 and 1985; at Frechen Triennale, in Germany, in 1986. Was described by Financial Times critic William Packer as “by far our most adventurous and accomplished etcher.” Ackroyd had several dozen solo shows, including Anderson O’Day; Aitken Dott, Edinburgh; Jersey Arts Centre, Channel Islands; Compass Gallery, Glasgow, and abroad. Victoria & Albert Museum, British Council and provincial British galleries hold his work.