Complex sentence: During the 50s and 60s he moved away from surrealism to a more symbolic perspective, exploring notions of human perfectibility, and since the 1970s Gleeson has generally made large scale paintings.
Split into simpler sentences: During the 50s and 60s he moved away from surrealism to a more symbolic perspective, exploring notions of human perfectibility. Since the 1970s Gleeson has generally made large scale paintings.