Mark Somos is Heisenberg Professor at the Max Planck Institute for Comparative Public Law and International Law, serving as Principal Investigator of the Grotius Census Project. He holds a PhD in Political Science from Harvard and a PhD in Law from Leiden. As a scholar, Mark taught at Sussex, Harvard, Yale, and Tufts universities. He has published six books and eighty articles and co-edits Grotiana and the book series History of European Political and Constitutional Thought. As a lawyer, Mark advises States, individuals, and NGOs, has served as Counsel in several ICJ cases, and has successfully represented victims in front of multiple UN Special Procedures.

Matthew Cleary is a Senior Research Fellow at the Max Planck Institute for Comparative Public Law and International Law where he studies legal history, having received his PhD in Law at Edinburgh Law School in 2023 on late medieval testamentary succession law. Prior to this, he studied in Canada, receiving a BA Specialization Honours in History from Laurentian University, and an MA in History from the University of Western Ontario. He has authored (or co-authored) multiple articles and book chapters, which have appeared in Forum Historiae Iuris, Grotiana, and Routledge, with several forthcoming publications.

Pablo Dufour is a research assistant at the Max Planck Institute for Comparative Public Law and International Law. He is currently pursuing an MSc in International Relations at the London School of Economics. He holds a BA from the University of Heidelberg, having spent the final year of his undergraduate studies at Sciences Po Paris.

Edward Jones Corredera is a Senior Research Fellow at the Max Planck Institute for Comparative Public Law and International Law, and is Assistant Lecturer at the Universidad Nacional de Educación a Distancia. He received his PhD in History from the University of Cambridge in 2019. His articles have appeared in the English Historical Review, the Journal of Early Modern History, and Global Intellectual History. He has been a Fellow at the Huntington Library and the Residencia de Estudiantes, and is a Fellow of the Royal Historical Society.

Emanuele Salerno is Senior Research Fellow at the Max Planck Institute for Comparative Public Law and International Law. He holds a PhD in Political Science from the University of Pisa and his current research is centred on theoretical and practical tools for supporting international peace and security in a historical comparative framework. Before joining the MPIL, he has contributed to the Italian research units of the international projects Natural Law 1625-1850 and Serica. He has published on the legal-political culture of the ruling class and cases of pragmatization of the law of nature and nations in eighteenth-century Tuscany.