Topics: Karl Popper; Friedrich Hayek; the epistemology/ethics enigma; Popper in the Weimar era; refutation of positivism and socialism; The Road to Serfdom; meta-ethics; historicism; scientism; collectivism; liberal utopia; Max Weber's quasi-positivism; evolutionary ethics; Darwinism; the naturalistic fallacy; liberal individualism; the Enlightenment Project; etc. Bibliography and index.