Phil C. Weigand was professor of archaeology, El Colegio de Michoacán, and coeditor of Archaeology of West and Northwest Mesoamerica.
C. Roger Nance is Cotsen Fellow, Cotsen Institute of Archaeology at UCLA and coauthor of Archaeology and Ethnohistory of Iximche.
David S. Verity is curator emeritus at UCLA’s Mildred E. Mathias Botanical Garden.
Kathleen Prado is a research assistant at UCLA.
Jan de Leeuw is distinguished professor of statistics at UCLA and editor of Journal of Multivariate Analysis and Journal of Statistical Software.