Jeanette Gundel is Professor of Linguistics at the University of Minnesota, Twin Cities, where she has been teaching since 1980. She is also Associate Director of the Center for Cognitive Science and an affiliate member of the Department of Philosophy. Her research focuses primarily on the interface between linguistic theory and pragmatics, especially reference and information structure. Barbara Abbott is an Emeritus Professor of Linguistics and Philosophy at Michigan State University, where she taught from 1976 to 2006. Her main research interests are in semantics, pragmatics, and philosophy of language. She has published multiple journal articles on topics ranging from reference and noun phrase interpretation to conditional sentences, and is the author of Reference (OUP 2010).