Richard Brettell is Professor of Aesthetic Studies at the University of Texas at Dallas. Françoise Forster-Hahn is Professor of Art History at the University of California, Riverside. Duncan Robinson is Director of the Fitzwilliam Museum, Cambridge University. Janis Tomlinson is Director of Exhibitions and Cultural Programs at the National Academy of Sciences, Washington, D.C.Richard Brettell is Professor of Aesthetic Studies at the University of Texas at Dallas. Françoise Forster-Hahn is Professor of Art History at the University of California, Riverside. Duncan Robinson is Director of the Fitzwilliam Museum, Cambridge University. Janis Tomlinson is Director of Exhibitions and… Cultural Programs at the National Academy of Sciences, Washington, D.C.