Studied History of Art at Cambridge. Formerly Senior Lecturer and Head of Department at Croydon College of Art. Publications include Venice - the Artist's Vision (1990, 1995), The Art of Diana Armfield RA (1995), Dictionary of Scottish Painters (1990, 1998, 2001, 4th edition 2010), A Hand to Obey the Demon's Eye (2000), Scottish Watercolours 1740-1940 (1986, 1991), A Private View - David Wolfers and the New Grafton Gallery (2002). Interviews artists for the Artist Magazine and is a member of the International Association of Art Critics and The Critics Circle. A practising artist, he was elected to the Royal Society of British Artists in 1994 and appointed Keeper in 2010.