A native New Yorker, Tamar Karet initially worked for Calder & Boyars, then as a translator and foreign rights agent, and eventually was co-founder of book packager Genesis, known particularly for its pop-up book The Human Body by Jonathan Miller. After her local women's liberation group founded Kingsgate, Britain’s first women's centre, she joined Women in Media, was co-ordinator of the Women’s Rights Campaign and lobbied successfully for what became the Sex Discrimination Act 1975. Tamar was one of the founding members of WiP and its press officer when it began the notorious Pink Pig awards (later to be joined by the Pandora awards).