GEORGE HENRY LEWES (1817-1878) was a British philosopher, scientist, novelist and literary critic. He founded a radical weekly called The Leader, and wrote several books including Comte's Philosophy of the Sciences, Ranthorpe, Problems of Life and Mind, and Life of Works of Goethe. Lewes is also known for his decades-long relationship with the novelist Mary Ann Evans (better known under her pen name George Eliot.)