Avram Noam Chomsky (; born December 7, 1928) is an American linguist, philosopher, cognitive scientist, historian, logician, social critic, and political activist. Sometimes described as "the father of modern linguistics," Chomsky is also a major figure in analytic philosophy, and one of the founders of the field of cognitive science. He has spent most of his career at the Massachusetts Institute of Technology (MIT), where he is currently Institute Professor Emeritus, and is the author of over 100 books, primarily on politics and linguistics. Ideologically, he aligns with anarcho-syndicalism and libertarian socialism.