Eminent Africanist Dr. Jan Vansina, professor of history at the University of Wisconsin at Madison, lectured on using oral tradition to interpret African history in “The Oral Sources of Pre-Colonial African History” in Chicago Hall. The world's foremost authority on the use of oral tradition in interpreting African history, Dr. Vansina published Oral Tradition: A Study in Historical Method and Kingdoms of the Savanna in 1965 and 1966, respectively, and his Oral Tradition as History appeared in 1985.