Trevelyan had no formal art training but joined Hayter's atelier in Paris in 1931 where he worked alongside artists such as Ernst, Kokoschka, Masson, Miro and Picasso. The etching processes learnt in Hayter's atelier were radically different from anything that had been achieved in the medium previously, and in this atmosphere he became a Surrealist overnight. In 1937, he joined Tom Harrisson's Mass Observation movement which was also to have a profound effect on his work. Between 1955 and 1963, Trevelyan worked at the Royal College of Art where he became Head of the Etching Department. Not only was he a highly influential teacher (his students included David Hockney, Ron Kitaj and Norman Ackroyd), but he was an important innovator of modern print techniques and today is increasingly regarded as the quiet driving force behind the etching revolution of the 1960s." (Taken from inside the dust jacket) Also taken from inside dust jacket ........."Trevelyan was brilliantly inventive and pos