Raymond Geuss, FBA (; born 1946) is an American political philosopher and scholar of 19th and 20th century European philosophy. He is currently Emeritus Professor in the Faculty of Philosophy, University of Cambridge. Geuss is primarily known for three reasons: his early account of ideology critique in The Idea of a Critical Theory; a recent collection of works instrumental to the emergence of political realism in Anglophone political philosophy over the last decade, including Philosophy and Real Politics; and a variety of free-standing essays on issues including aesthetics, Nietzsche, contextualism, phenomenology, intellectual history, culture and ancient philosophy. Source: Wikipedia (en)