Robert F. Murphy was professor of anthropology at Columbia University. He was the author of many books and articles, including "Headhunter's Heritage: Social and Economic Change Among the Munduruc Indians" and "The Body Silent: The Different World of the Disabled," for which he won a Columbia University Lionel Trilling Award.
R. Brian Ferguson, editor of the foreword, is professor of anthropology at Rutgers University -- Newark. His books include "The State, Identity, and Violence" and "Yanomami Warfare:...