Jose del Valle is Professor of Hispanic Linguistics at the Graduate Center of the City University of New York. He is the author of El trueque s/x en espanol antiguo: Aproximaciones teoricas (1996) and co-editor and co-author of The Battle Over Spanish Between 1800 and 2000: Language Ideologies and Hispanic Intellectuals (2002) and La lengua, patria comun? (2007). In 2010 he received the Friedrich Wilhelm Bessel Research Award from the Alexander von Humboldt Foundation for his outstanding research record.