George Henry Lewes, English writer and philosopher, c 1865-1878.
© Science Museum / Science & Society Picture Library
Carte de visite photograph by Elliott & Fry of Lewes (1817-1878), critic, dramatist, scientist. He is chiefly remembered for his theory of the metaphysical development of positivism and for his liaison with the English novelist Mary Ann Evans (George Eliot). Lewes wrote for the 'Penny Encyclopaedia', and founded and edited the 'Fortnightly'. His works include 'Life and Works of Goethe', 'Problems of Life and Mind', 'The Biographical History of Philosophy', and 'Science and Speculation'. He also wrote novels.