Martin Gayford is a critic, writer and curator. Among his other books are A Bigger Message: Conversations with David Hockney, The Yellow House: Van Gogh, Gauguin and Nine Turbulent Weeks in Arles and Constable in Love. In 2009 he was co-curator of the exhibition ‘Constable Portraits’ at the National Portrait Gallery, London. In the past he has been art critic of the Spectator andSunday Telegraph and is now chief art critic for Bloomberg News.