sentences:  He exhibited extensively in Britain from 1940 onwards and examples of his work can be found in many public collections (see heading 'public collections' below).Gotlib was a leading member of the Formist movement; an avant-garde art movement in Poland which originated around 1917–18 and lasted until around 1923–24.The movement was started by a group of energetic young artists, writers and poets who essentially pursued a passion for anti-naturalism.