Allan Janik is adjunct professor of philosophy at the University of Vienna and a former research fellow of the Brenner Archives at the University of Innsbruck. His many books include The Use and Abuse of Metaphor (2003), Wittgenstein's Vienna (with Stephen Toulmin) (1996), and Essays on Wittgenstein and Weininger (1985). He is the author of numerous articles and reviews in a wide variety of international journals, and holds a grant from the Austrian Science Foundation to produce a critical electronic edition of the works of Otto Weininger.