Stanislas Jeannesson is Professor of Modern History at the University of Nantes and a member of the Centre de recherches en histoire internationale et atlantique (CRHIA). His research areas include French foreign policy during the first half of the twentieth century, as well as the functions, practices, and actors of contemporary diplomacy. He recently coordinated with Laurence Badel an issue of Monde(s) on the subject of “Diplomaties” (No. 5, May 2014), and published Jacques Seydoux, diplomate (1870-1929) (PUPS, 2013). He is also co-editor-in-chief of the journal Monde(s). Histoire, espaces, relations.