Jean-Baptiste Truteau (1748–1827) was an explorer, trapper, fur trader, surveyor, and Canadian French teacher. Raymond J. DeMallie is Chancellors’ Professor of Anthropology, co-director of the American Indian Studies Research Institute, and curator of North American Ethnology at the Mathers Museum of World Cultures at Indiana University. He is the author or editor of numerous books, including Lakota Belief and Ritual (Nebraska, 1991). Douglas R. Parks is a professor of anthropology and co-director of the American Indian Studies Research Institute at Indiana University. He is the author or editor of numerous books, including Traditional Narratives of the Arikara Indians, volumes 1–4 (Nebraska, 1990–92). Robert Vézina is a linguist specializing in North American French historical lexicology. He is currently the president and chief executive officer of the Office québécois de la langue française (Quebec Office of the French Language). Mildred Mott Wedel (1912–95) was a pioneer in ethnohistory and recipient of multiple awards, including a Distinguished Service Award for lifetime achievement from the Plains Anthropological Society.