J. Richard Andrews (1924-2014), Professor Emeritus of Anthropology and of Spanish and Portuguese at Vanderbilt University, was considered the foremost living authority on the Classical Nahuatl language. He is the author of Juan del Encina: Prometheus in Search of Prestige and coauthor of Patterns for Reading Spanish.
Ross Hassig, a historical anthropologist specializing in Mesoamerica, is the author of Time, History, and Belief in Aztec and Colonial Mexico; Aztec Warfare: Imperial Expansion and Political Control; and Trade, Tribute, and Transportation: The Sixteenth-Century Political Economy of the Valley of Mexico.