George Philip Lakoff (/ˈleɪkɒf/; born May 24, 1941) is an American cognitive linguist and philosopher, best known for his thesis that people's lives are significantly influenced by the conceptual metaphors they use to explain complex phenomena. The more general theory that elaborated his thesis is known as embodied mind. Lakoff served as a professor of linguistics at the University of California, Berkeley, from 1972 until his retirement in 2016.