Tom ChaffinTom Chaffin is a professor of history and the director/editor of the James K. Polk Correspondence Project at the University of Tennessee, Knoxville. His books include Sea of Gray, Pathfinder, and The H.L.Hunley, all published by ill and Wang. His work has appeared in The New York Times, Harper's Magazine, Time, and other publications. He lives in Knoxville. Read More Read Less