Helaine Silverman is Associate Professor of Anthropology at the University of Illinois at Urbana-Champaign. She is the author of Cahuachi in the Ancient Nasca World (1993) and various articles and chapters on ancient Nasca society.

Donald A. Proulx is Professor of Anthropology at the University of Massachusetts at Amherst. He is the author of numerous publications on Nasca culture including Local Differences and Time Differences in Nasca Pottery (1968) and The Nasca Style (1983).