Walter Prescott Webb (1888–1963) was among the most important and influential historians of the American West. He spent his career at the University of Texas and enjoyed visiting appointments in London and Oxford. Webb was the author of a number of highly provocative books, including The Texas Rangers and The Great Frontier. Andrew R. Graybill is a professor of history and director of the William P. Clements Center for Southwest Studies at Southern Methodist University. He is the author or editor of four books, including Policing the Great Plains: Rangers, Mounties, and the North American Frontier, 1875–1910 (Nebraska, 2007).
