Charles F. Hobson received his Ph.D. from Emory University in 1971. He specializes in the constitutional and legal history of the early republic. In addition to articles on James Madison and John Marshall, he is the author of The Great Chief Justice: John Marshall and the Rule of Law (1996). His ongoing project is an annotated edition of Marshall's correspondence and papers, of which volume 11 was published in 2002. He has also served as the 1996 president of the Association for Documentary Editing, and coeditor of the Papers of James Madison.