Sheila Jeffreys is a radical feminist activist who has worked mainly against male violence and for lesbian feminism. She joined her first Women's Liberation Movement group in the UK in 1973 and became a lesbian in 1977. In 1991, she moved to Australia to teach at the University of Melbourne, and retired back to the UK in 2015. She is the author of ten books on issues such as the history of sexuality, lesbian feminism, prostitution, gay men's politics, beauty practices, the threat of patriarchal religion to women's rights, and the politics of transgenderism. Her most recent book is The Lesbian Revolution: Lesbian Feminism in the UK 1970-1990 (2018).