Diana Souhami was brought up in London and studied philosophy at Hull University. She worked in the publications department of the BBC before turning to biography. In 1986 she was approached by Pandora Press and received a commission to write a biography of Hannah Gluckstein. Souhami became a full-time writer publishing biographies which mostly explore the most influential and intriguing of 20th century lesbian and gay lives.
She is the author of 12 critically acclaimed nonfiction and biography books, including Selkirk’s Island (winner of the Whitbread Biography Award), The Trials of Radclyffe Hall (winner of the Lambda Literary Award and shortlisted for the James Tait Black Prize for Biography), the bestselling Mrs. Keppel and Her Daughter (winner of the Lambda Literary Award and a New York Times Notable Book of the Year), Gertrude and Alice, and Wild Girls: Paris, Sappho, and Art. She lives in London.