 In Rand’s own words, her first and greatest love, her “life purpose”, was “the creation of the kind of world … that represents human perfection”, while her interest in philosophical knowledge was “only” for the sake of this purpose (Journal entry for 4 May 1946; in 1997:  479).[1]  Nevertheless, her interest in philosophical knowledge continued long after she had created this world in her magnum opus, Atlas Shrugged, her last work of fiction. In her non-fiction, Rand developed a conception of metaphysical realism, rationality, ethical egoism (rational self-interest), individual rights, laissez-faire capitalism, and art, and applied her philosophy to social issues. She wrote polemical, philosophical essays, often in response to questions by fans of Atlas Shrugged and The Fountainhead; lectured on college campuses; and gave radio and television interviews. In her own words, her philosophy, 