David Brose earned his PhD from the University of Michigan in 1968, as a student of James B. Griffin and James E. Fitting, and he has investigated archaeological sites in North America and Europe for decades. In his work, The Archaeology of Summer Island: Changing Settlement Systems in Northern Lake Michigan (1970), he interpreted some aspects of region’s prehistory based on his analysis of the material culture, economic adaptation, and social organization of the site.Patrick Julig is professor of anthropology at Laurentian University and has excavated archaeological sites in Ontario, Canada, for more than 30 years. His published works include The Cummins Site Complex and PaleoIndian Occupations in the Northwestern Lake Superior Region (1995) and The Sheguiandah Site: Archaeological, geological and palaeobotanical studies at a Paleoindian site on Manitoulin Island, Ontario (ed., 2002).John O’Shea is professor of anthropology and curator of Great Lakes archaeology at the University of Michigan Museum of Anthropological Archaeology. Recent volumes on Great Lakes archaeology include Ships and Shipwrecks of the Au Sable Shores Region of Western Lake Huron (2004) and Caribou Hunting in the Upper Great Lakes (2015).