From her youth, Mary Shelley immersed herself in the social contract tradition, particularly the educational and political theories of John Locke and Jean-Jacques Rousseau, as well as the radical philosophies of her parents, the feminist Mary Wollstonecraft and the anarchist William Godwin. Against this background, Shelley wrote Frankenstein; or, the Modern Prometheus, first published in 1818. In the two centuries since, her masterpiece...