Andreas Beyer is chair of the art history department at the Rheinische Westfalische Technische Hochschule in Aachen, Germany, and is widely considered one of the leading German art historians of his generation. Beyer has had fellowships at the Clark Institute in Williamstown, Mass.; the Center for Advanced Study in the Visual Arts at the National Gallery in Washington; and at the Getty Research Institute in Los Angeles. He is currently co-editor of the Deutsche Zeitschrift fur Kunstgeschichte, the leading German-language scholarly journal in the discipline.