Carmen Silva-Corvalán is a Professor Emerita of Spanish and Portuguese Linguistics at the University of Southern California, where she taught since she obtained her doctoral degree at the University of California, Los Angeles in 1979. Silva-Corvalán has published extensively on bilingualism and language contact, and on the semantic and discourse-pragmatic constraints which condition syntactic variation. Silva-Corvalan was one of the four chief editors of Bilingualism: Language and Cognition, Cambridge University Press.[1][2]