P HornLaurence R. Horn is Professor and Director of Graduate Studies in the Yale University Department of Linguistics. His publications include"" A Natural History of Negation"" (1989/2001) and numerous articles addressing the union (if not the intersectio) of lexical semantics, negation, and neo-Gricean approaches to meaning in natural language. He is currently working on a new book,"" Lexical Pragmatics,""Gregory Ward is Professor of Linguistics at Northwestern University. His extensive publications in the area of pragmatics and information structure include"" Information Status and Noncanonical Word Order in English"" (with Betty Birner, 1998) and"" The Semantics and Pragmatics of Preposing"" (1988). He is also editor of a new series on language in the real word and currently serves as Secretary-Treasurer of the Linguistic Society of America. Read More Read Less