Garland D. Bills is professor emeritus of linguistics and of Spanish and Portuguese at the University of New Mexico. His publications include An Introduction to Spoken Bolivian Quechua, The Spanish and English of United States Hispanos, and Spanish and Portuguese in Social Context.

Neddy A. Vigil, a research professor in the Department of Spanish and Portuguese, has been the director of the Language Learning Center at the University of New Mexico since 1967. He received a research award as co-principal investigator for the Linguistic Atlas and Archive of the Spanish of New Mexico and Southern Colorado from the National Endowment for the Humanities, 1991-1993, with a follow-up grant in 1993-1994.