Dawn Ades is the author of a number of books on dada, surrealism, and related topics, including Dada and Surrealism Reviewed, Photomontage, and Salvador Dal�. She is Director of the Arts and Humanities Research Board Centre for the Study of Surrealism and its Legacies at the University of Essex.Simon Baker is Lecturer in Art History at The University of Nottingham and a member of the editorial group of the Oxford Art Journal.