This explication of the major contributions to feminist theory in the late Twentieth Century covers initial articulations of the 'Woman' Problem by Virginia Woolf; and Simone de Beauvoir, Radical Feminism (Kate Millett; Shulamith Firestone; Radicalesbians; Mary Daly), Black Feminism (Audre Lorde; Alice Walker; Patricia Hill Collins), French Feminism (Luce Irigaray; Helene Cixous; Monique Wittig; Julia Kristeva), Materialist Feminism (Gayle Rubin; Gayatri Chakravorty Spivak), and Queer Theory (Adrienne Rich; Judith Butler; Eve Kosofsky Sedgwick; Wayne Koestenbaum). Jennifer A. Rich is an Associate Professor at Hofstra Uiversity where she offers course in the rhetoric of feminism, theories and history of rhetoric and contemporary understandings of rhetoric. She has published widely in the areas of writing studies, rhetoric, film studies, and Shakespeare, and is the author of An Introduction to Critical Theory in the Humanities Insights series.