He attended evening classes in art at the age of sixteen, then worked at various jobs mainly concerned with radio and electricity. He started painting while a prisoner of war in Germany 1943. After the war he moved to St Ives 1946 and studied under Leonard Fuller; then studied from 1947 at the Camberwell School of Art under Pasmore and Coldstream. He had his first solo exhibition in London at the Leicester Galleries back in 1952 and since then he has exhibited all over the world. Frost was elected a Royal Academician by the Royal Academy of Arts in 1992 and received a knighthood in 1998. A retrospective of Frost’s work was held at the Royal Academy in 2000. He died on 1st September 2003.