Kathleen Adler is Director of Education at the National Gallery, London. Erica E. Hirshler is Croll Senior Curator of Paintings, Art of the Americans, Museum of Fine Art, Boston. H. Barbara Weinberg is the Alice Pratt Brown Curator of American Paintings and Sculpture at the Metropolitan Museum of Art, New York. David Park Curry is Curator of American Arts, Virginia Museum of Fine Arts, Richmond. Rodolphe Rapetti is Chief Curator of Patrimony at the Direction des Musees de France, Paris; Christopher Riopelle is Curator of Nineteenth-Century Paintings at the National Gallery, London.