1. Peter Geimer is Professor of Art History at the Freie Universität Berlin, where he is Codirector of the Center for Advanced Studies research group “BildEvidenz: Geschichte und Ästhetik.” His publications in English include “Image as Trace: Speculations about an Undead Paradigm,” Differences 18, no. 1 (Spring 2007); and “‘Self-Generated’ Images,” in Releasing the Image: From Literature to New Media, ed. Jacques Khalib and Robert Mitchell (Stanford University Press, 2011).