David Harmon is executive director of the George Wright Society. Headquartered in Hancock, Michigan, it works to protect cultural and natural parks and reserves. He is the author of In Light of Our Differences: How Diversity in Nature and Culture Makes Us Human. Francis P. McManamon is chief archaeologist of the National Park Service and co-editor of the volume Cultural Resource Management in Contemporary Society: Perspectives on Managing and Presenting the Past. He lives in Washington, DC. Dwight T. Pitcaithley is former chief historian of the National Park Service and currently teaches at New Mexico State University