Vladislav Rjéoutski is a Gerda Henkel Fellow, formerly a research fellow at the German Historical Institute in Paris/Max Weber Network Eastern Europe, and principal investigator in a DFG-funded research project on languages in eighteenth-century Russian diplomacy in a European context. He co-authored The French Language in Russia (2018) and co-edited Languages of Diplomacy in the Early Modern World (2026).

Guido Braun is Full Professor of Early Modern History at the University of Upper Alsace (Mulhouse) and Director of the Centre for Research on Economies, Societies, Arts, and Technologies (CRESAT). He co-edited Languages and Diplomacy, 15th to 21st Centuries (2025).

Indravati Félicité is Full Professor and Chair of Early Modern History at Friedrich-Alexander-Universität Erlangen-Nürnberg. Her authored and edited works include Le Saint-Empire face au monde. Contestations et redéfinitions de l'impérialité XVe-XIXe (2024) and Regard critique sur les souverainetés, Moyen Âge - XXIe siècle (forthcoming).

Sophie Holm is a research fellow at the Max Weber Network Eastern Europe in Helsinki. She has authored a chapter on languages and diplomatic culture in Early Modern European Diplomacy: A Handbook (2024). She worked within a DFG-funded research project on languages in eighteenth-century Russian diplomacy in a European context.