David M. Mark, Ph.D., is SUNY Distinguished Professor Emeritus of Geography at the State University of New York at Buffalo. He was one of the founders of the fields of geographic information science and cognitive geography. He has written almost 250 published articles, chapters, or books. David Stea, Ph.D., is Professor Emeritus of Geography and International Studies at Texas State University, San Marcos, and Research Associate at the Center for Global Justice (Mexico). He is a co-founder of environmental psychology. His books include Image and Environment, Maps in Minds, Environmental Mapping, and Placemaking. Carmelita Topaha is a member of the Navajo Nation, Newcomb Chapter. She has a B.A. in anthropology from Fort Lewis College, Durango, Colorado. She has worked as a consulting anthropologist, archaeologist, or ethnographer on a variety of projects.