Keith Brown is an affiliated lecturer in the Research Centre for English and Applied Linguistics at the University of Cambridge. He taught linguistics at the University of Edinburgh from 1965 to 1979 and then at the University of Essex. He is a former chair of the LAGB and President of the Philological Society. His major research interest is in English Grammar. His previous publications include Syntax: A Linguistic Introduction to Sentence Structure, Second Edition (with Jim Miller, 1991) and he is Editor-in-Chief of the Encyclopedia of Language and Linguistics, Second Edition (2005).