Alison M. Jaggar is Professor of Philosophy and Women's Studies at the University of Colorado, Boulder. She is the author of "Feminist Frameworks", (edited with Paula Rothenberg, 1978, 1984, 1993) (McGraw Hill, 1993); "Feminist Politics and Human Nature" (Rowman and Littlefield, 1988); "Living with Contradictions: Controversies in Feminist Social Ethics", (Westview Press 1994); and "The Blackwell Companion to Feminist Philosophy", (edited with Iris M. Young, 1998) (Blackwell, 1999).