Seymour’s new book is a double biography, In Byron’s Wake: The Turbulent Lives of Lord Byron’s Wife and Daughter, Annabella Millbanke and Ada Lovelace. Her previous book was a lauded biography of Mary Shelley. Sampson’s brilliant debut biography is In Search of Mary Shelley: The Girl Who Wrote Frankenstein. They compare notes on female genius, Romanticism, radicalism, the madness and badness of male poets, and the interplay of literature and the sciences, with Rosie Goldsmith in the chair.