Mark C. Baker is Professor of Linguistics and Chair of the Department of Linguistics at Rutgers University and a member of the Center for Cognitive Science. He is the author of Incorporation: A Theory of Grammatical Function Changing (1988), The Polysynthesis Parameter (1996), and The Atoms of Language: The Mind's Hidden Rules of Grammar (2001), as well as of numerous articles in journals such as Linguistic Inquiry and Natural Language and Linguistic Theory.