Deborah Harkness

Deborah Harkness is an American historian and novelist. She is a professor emerita of history at the University of Southern California, where she taught European history and the history of science and medicine between 1400 and 1700. Her scholarly books are John Dee's Conversations with Angels (1999) and The Jewel House: Elizabethan London and the Scientific Revolution (2007).

She is best known for the All Souls series of historical fantasy novels, which begins with A Discovery of Witches (2011) and continues with Shadow of Night, The Book of Life, Time's Convert and The Black Bird Oracle. The first three books were adapted as the television series A Discovery of Witches.