Daniel T. Reff is Associate Professor in the Department of Comparative Studies at Ohio State University. He is an anthropologist and enthnohistorian who has done research in northern Mexico, the American Southwest, Spaink and Portugal. He is the author of several articles on colonial Mexico in such journals as American Anthropologist, American Antiquity, and Ethnohistory. He is the author of Disease, Depopulation, and Culture Change in Northwestern New Spain, 1518–1764 (1991). He has been a resident scholar at the School of American Research and is the recipient of major research grants as well as a University Fellowship from the National Endowment for the Humanities.