Silvia Federici is a feminist writer, teacher, and militant. In 1972 she was cofounder of the International Feminist Collective that launched the Wages for Housework campaign. Her books include Caliban and the Witch; Re-enchanting the World; and Witches, Witch Hunting, and Women. She is a professor emerita at Hofstra University, where she taught in the social sciences. She worked as a teacher in Nigeria for many years and was also the cofounder of the Committee for Academic Freedom in Africa. She lives in New York.