María del Carmen Horno-Chéliz is Professor of General Linguistics at the University of Zaragoza. Her research has focused on the syntax/semantics interface. She is the author of Lo que la preposición esconde (2001). At present she is interested in the nature of the lexicon and its relationships with syntactic computation, and with memory and cognition.
José-Luis Mendívil-Giró is Professor of General Linguistics at the University of Zaragoza. He was the main researcher working on the project Typology and Internal Variation of the Case and Agreement Systems in the World’s Languages, and is the author of Gramática natural. La gramática generativa y la tercera cultura (2003), and Origen, evolución y diversidad de las lenguas. Una aproximación biolingüística (2009).