Olaf Stapledon is an English novelist and philosopher whose future histories have had a significant influence on modern science fiction. He is a Ph.D. holder. University of Liverpool, with a degree in philosophy and psychology. He published A Modern Theory of Ethics in 1929 and seemed set for a career as an academic, but with the success of his novel Last and First Men (1930), he shifted his focus to fiction. Stapledon also contributed to technical and scholarly ethics and philosophy evaluations. The Last Men in London (1932), Odd John (1935), Philosophy and Life (1938), Star Builder (1937), and Sirius (1944) are among his other notable works.