Dixie West,^1,* Dennis O'Rourke,^2,** Michael H. Crawford<sup>3,***

1</sup>1Biodiversity Institute and Natural History Museum, University of Kansas, Lawrence, KS 66045.
²2Department of Anthropology, University of Utah, Salt Lake City, UT 84112.
³3Laboratory of Biological Anthropology, Department of Anthropology, University of Kansas, Lawrence,

^*DIXIE L. WEST is a research affiliate with the University of Kansas Natural History Museum and Biodiversity Institute. Her research interests include archaeozoology and Arctic adaptations. With funding from the Office of Polar Programs (National Science Foundation) Dr. West codirected (1997–2003) an international team of researchers to explore prehistoric Aleut interactions with the subarctic environment. From 2005 to 2008, she initiated a new phase of the National Science Foundation's Arctic Research Program. This project and its international, interdisciplinary research team address coupled natural and human systems in the central Aleutian Islands.
^**DENNIS H. O'ROURKE is Professor of Anthropology and Director of the Ancient DNA Laboratory at the University of Utah. His research interests include human population genetics, the use of molecular genetic methods to reconstruct regional population histories, American colonization models, and bioethical issues in anthropology and genetics. His research currently is focused in the circumarctic, with a particular focus on North America. He has also conducted aDNA studies in the U.S. Great Basin and the greater Southwest. He is a former editor-in-chief of Human Biology, past program director for physical anthropology at the National Science Foundation, and the current president of the American Association of Physical Anthropologists.
^***MICHAEL H. CRAWFORD is Professor of Anthropology and Genetics at the University of Kansas, Lawrence. He serves as the director of the Laboratory of Biological Anthropology and the International Consortium for the Study of Tuberculosis. He is a fellow of the American Association for the Advancement of Science and former president and founding member of the American Association of Anthropological Genetics and former president of the Human Biology Association. He served from 1998 to 2000 as editor-in-chief of Human Biology. He has published more than 300 journal articles and book chapters on human biology and anthropological and molecular genetics. In addition, he has either edited or written 16 books and special issues of journals.