Sculptor and teacher, born in Alyth, Perthshire. He studied at Duncan of Jordanstone College of Art, Dundee, 1963–8, and won many awards, which enabled him to travel, including extensive trips through Greece, study in Italy and America. From 1972–81 he lived in Northampton, returning to Scotland to Gray’s School of Art, Aberdeen, where he became a senior sculpture lecturer. Later visiting lectureships included Edinburgh University, Glasgow School of Art and Duncan of Jordanstone College of Art, Dundee. Cocker was a frequent exhibitor, including Glasgow Garden Festival, New Sculpture in Scotland at Crammond Sculpture Centre and abroad. Had many solo shows, including a key one at Third Eye Centre, Glasgow, 1985. Among later exhibitions were Joan Hughson Gallery, Glasgow, 1996.