Helen Castor

Helen Ruth Castor is a British historian of the medieval and Tudor period and a BBC broadcaster. She taught history at the University of Cambridge and is the author of books including Blood and Roses and She-Wolves: The Women Who Ruled England Before Elizabeth. Programmes she has presented include BBC Radio 4's Making History and She-Wolves on BBC Four. Her most recent book is The Eagle and the Hart: The Tragedy of Richard II and Henry IV.