Dan Sperber (born 20 June 1942 in Cagnes-sur-Mer) is a French social and cognitive scientist and philosopher. His most influential work has been in the fields of cognitive anthropology, linguistic pragmatics, psychology of reasoning, and philosophy of the social sciences. He has developed: an approach to cultural evolution known as the epidemiology of representations or cultural attraction theory as part of a naturalistic reconceptualization of the social; (with British philosopher and linguist Deirdre Wilson) relevance theory; (with French psychologist Hugo Mercier) the argumentative theory of reasoning. Sperber formerly Directeur de Recherche at the Centre National de la Recherche Scientifique is Professor in the Departments of Cognitive Science and of Philosophy at the Central European