David S. Brose, Director of Cranbrook Institute of Science and founding editor of The Mid-Continental Journal of Archaeology, is author, editor, or co-editor of many professional works, including The 1838-42 U.S. Exploring Expedition and American Science in the Age of Sail, and the National Historic Landmark Study, Earliest Americans of the Eastern United States. C. Wesley Cowan is a retired anthropologist and museum curator, founder and owner of Cowan's Auctions, Inc., a star on the PBS series, History Detectives, and a frequent appraiser on Antiques Roadshow. Robert C. Mainfort Jr. is an archaeologist with the Arkansas Archeological Survey in Fayetteville, Professor of Anthropology at the University of Arkansas, and co-editor of his latest volume, Woodland Period Systematics in the Middle Ohio Valley.