Gayle S. Rubin is an American cultural anthropologist best known as an activist and theorist of sex and gender politics. She has written on a range of subjects including feminism, sadomasochism, prostitution, pedophilia, pornography and lesbian literature, as well as anthropological studies and histories of sexual subcultures, especially focused in urban contexts. Her 1984 essay "Thinking Sex" is widely regarded as a founding text of gay and lesbian studies, sexuality studies, and queer theory. She is an associate professor of anthropology and women's studies at the University of Michigan.