Neil Printz, a specialist in 20th-century American art, is currently Editor of the Isamu Noguchi Catalogue Raisonné. He is Professor of Art History at Caldwell College in Caldwell, New Jersey.Sally King-Nero is executive editor of the Warhol Catalogue Raisonné and Curator of Drawings and Photographs at the Andy Warhol Foundation for the Visual Arts in New York.