Donald K. Grayson is Professor of Anthropology and Adjunct Professor at the Quaternary Research Center, University of Washington. He is the author of The Desert’s Past, the previous edition of his ...view moreDonald K. Grayson is Professor of Anthropology and Adjunct Professor at the Quaternary Research Center, University of Washington. He is the author of The Desert’s Past, the previous edition of his Great Basin prehistory, and The Establishment of Human Antiquity, an American Library Association "Best Book of the Year."view less