He has taught at or held fellowships at the University of Virginia, the University of Glasgow, the National University of Ireland, Galway, the University of Paris, 8, Claremont McKenna College, and Princeton University. He has published several essays on Jefferson, Adams, and the Adams–Jefferson correspondence, and is currently completing a book entitled John Adams and the Republic of Law. Dr. Samuelson received his PhD in American history from the University of Virginia.