Anthony Teasdale (Afterword by) Anthony Teasdale is Visiting Professor in Practice at the European Institute of the London School of Economics (LSE) and Adjunct Professor in International and Public Affairs at Columbia University, New York. From 2013 to 2022, he was Director General of the European Parliamentary Research Service (EPRS) in Brussels, having previously served as Special Adviser at the Foreign Office and HM Treasury in London. He is co-author of The Penguin Companion to European Union. Jean Baptiste Duroselle (Author) Jean-Baptiste Duroselle (1917- 94) was one of France's leading twentieth-century historians. Educated at the É cole Normale SupÉ rieure, he was Professor of Contemporary History at the Sorbonne from 1964 to 1983 and President of the AcadÉ mie des Sciences Morales et Politiques of the Institut de France from 1985 to 1986. In addition to The Idea of Europe in History (1965) and Europe: A History of its Peoples (1990), he published books on the history of migration, Western ideas, France before and during the First World War, both French and US foreign policy, and Franco- American relations.