Professor Kate Williams is a historian, author and broadcaster, 2019 Chair of the Women's Prize for Fiction and will be talking about her latest book, The Betrayal of Mary Queen of Scots - does she deserve her reputation as tragic queen? Kate is the author of four other history books and four historical novels and appears regularly on TV and is fond of quiz shows, having won Pointless, Mastermind Antiques Roadshow.

See her website here or find her on Twitter @KateWilliamsme