Albert Venn Dicey (1835-1922) was Vinerian Professor of English Law at the University of Oxford and the pre-eminent constitutional lawyer of the nineteenth century. His Introduction to the Study of the Law of the Constitution ran to eight editions in his lifetime and remains one of the canonical texts in the history of English constitutional law.
John Allison is Reader in Public Law and Comparative Historical Jurisprudence at the Faculty of Law, University of Cambridge, and a Fellow of Queens' College, Cambridge. He previously taught at the Universities of Chicago, London, and Cape Town and is the author of two books, A Continental Distinction in the Common Law: A Historical and Comparative Perspective on English Public Law (OUP 1996) and The English Historical Constitution: Continuity, Change and European Effects (CUP 2007).