Anne S Dowd Editor

David A. Freidel is professor of anthropology at Washington University in St. Louis.

Arlen F. Chase is professor of anthropology at the University of Nevada, Las Vegas.

Anne S. Dowd, principal archaeologist at ArchæoLOGIC USA, LLC, is coeditor of Cosmology, Calendars, and Horizon-Based Astronomy in Ancient Mesoamerica.

Jerry Murdock is a member of the Board of Trustees for the Santa Fe Institute and the Aspen Institute.