1959 – Awarded C.B.E.
1963-66 – Trustee of Tate Gallery
1964 – Awarded Carnegie Prize for Painting at Pittsburgh International
1969 – Honorary degree of Doctor of Letters awarded by University of Surrey
1971 – Wins prizes for graphics at International Graphics Exhibition in Krakow, Poland, and Ljubljana, Yugoslavia
1972 – Gold Medal at Frederikstad International Graphics Biennial, Norway
1982 – Made Companion of Honour
1983 – Elected Royal Academician
1985 – Honorary doctorates from Royal College of Art, London, and University of Warwick
