Painter, born in Hertford, who was self-taught. Apart from National Service in the Army, 1953–5, until 1964 Chamberlain worked as an architectural assistant, then painted full-time. He liked to paint his pictures of the sea, townscapes and landscapes in one session on the spot, which gave them great spontaneity. Chamberlain was elected a member of NS in 1968, RSMA in 1970 and ROI in 1972, also being a member of Chelsea Art Society and Wapping Group of Artists. Among awards won were Lord Mayor of London’s Art Award, 1976; James Bourlet Prize at ROI, 1980; Chris Beetles Watercolour Award at RWS Open, 1987; and Llewellyn Alexander Award at ROI, 1991. Solo shows included Ash Barn Gallery, Petersfield, 1971–83, and Inspirations of Armenia and Persia, Piano Nobile Fine Paintings, 2002.