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Karl-Peter Sommermann is Professor of Public Law, Political Theory, and Comparative Law at the German University of Administrative Sciences Speyer, Germany, and Senior Fellow at the German Research Institute for Public Administration, Germany.
Adam Krzywoń is Professor of Constitutional Law at the Faculty of Law and Administration at the University of Warsaw, Poland, and Research Fellow at the German Research Institute for Public Administration, Germany.
Cristina Fraenkel-Haeberle is Professor of Public Law at the German University of Administrative Sciences Speyer, Germany, and Senior Researcher at the German Research Institute for Public Administration, Germany.