Neil Smith is Professor Emeritus of Linguistics at University College London. His previous publications include The Acquisition of Phonology (Cambridge University Press, 1973), Modern Linguistics (1979, with Deirdre Wilson), The Twitter Machine (1989), The Mind of a Savant (1995, with Ianthi Tsimpli), Chomsky: Ideas and Ideals (Cambridge University Press, 1999, 2nd edition, 2004), Language, Bananas and Bonobos (2002) and Language, Frogs and Savants (2005).