About Frederick Vaughan Frederick Vaughan is a professor emeritus in the Department of Political Science at the University of Guelph. Books by Frederick Vaughan Viscount Haldane 'The Wicked Step-father of the Canadian Constitution' by (author) Frederick Vaughan Aggressive in Pursuit The Life of Justice Emmett Hall by (author) Frederick Vaughan The Canadian Federalist Experiment From Defiant Monarchy to Reluctant Republic by (author) Frederick Vaughan The Supreme Court of Canada History of the Institution by (author) James G. Snell & Frederick Vaughan