Dan Sperber is a philosopher and social and cognitive scientist, a researcher at the Institut Jean Nicod in Paris and professor in the departments of cognitive science and philosophy at the Central European University in Budapest. He is the author of numerous articles in anthropology, linguistics, philosophy and psychology and of six books: Rethinking Symbolism (1975), On Anthropological Knowledge (1985), Explaining Culture (1996); co-authored with Deirdre Wilson, Relevance: Communication and Cognition (1986, 2nd revised ed 1995) and Meaning and Relevance (2012); and, co-authored with Hugo Mercier, The Enigma of Reason (2017).