Carl H. Chapman, widely recognized as Missouri's premier archaeologist, is Professor of Anthropology and Research Professor in American Archaeology at the University of Missouri-Columbia. He is also author of The Archaeology of Missouri, 2 vols. (University of Missouri Press, 1965, 1980), and Osage Indians III: The Origin of the Osage Indian Tribe (Garland Press, 1974). Eleanor F. Chapman, who has illustrated various archaeological publications since 1946, is co-author with Henry and Jean Hamilton of Spiro Mound Copper (Missouri Archaeological Society, Memoir 11, 1979). She is also the illustrator of both volumes of The Archaeology of Missouri.