At the age of twenty, Mary Shelley secured her place in history by writing Frankenstein (1818), now acknowledged as one of the great literary classics. The daughter of radical philosopher William Godwin and pioneering feminist Mary Wollstonecraft, Mary Shelley lived an unconventional life dogged by tragedy. At sixteen she scandalised England by eloping with her married lover, the poet Percy Bysshe Shelley, but was widowed after only a few years of marriage. She went on to survive her husband by