Helen Castor
Helen Ruth Castor (born 4 August 1968) 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'' (2004) and ''She-Wolves: The Women Who Ruled England Before Elizabeth '' (2010). Programmes she has presented include BBC Radio 4's ''Making History'' and ''She-Wolves'' on BBC Four.
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