Avram Noam Chomsky is an American linguist, philosopher, social critic and political activist. An Institute Professor Emeritus at Massachussetts Institute of Technology (MIT), Chomsky's main contributions lie in the field of linguistics, with his revolutionary ideas on 'Universal Grammar', 'Transformational Generative Grammar', the 'Chomsky Hierarchy' and more recently, the 'Minimalist Program'. Secondly, he has contributed in political activism, widely publicising his ideas and critiques…