Stephan Kieninger is an Independent Historian and the author of The Diplomacy of Détente. Cooperative Security Policies from Helmut Schmidt to George Shultz (London: Routledge, 2018) and Dynamic Détente. The United States and Europe, 1964-1975 (Lanham: Rowman & Littlefield, 2016). His research focuses on U.S. diplomatic history and Europe’s international history. He gained his PhD in Modern History at Mannheim University, Germany. Previously, he was a postdoctoral fellow at Johns Hopkins SAIS, a fellow at the Berlin Center for Cold War Studies and a senior research associate at the Office of the Historian at the Federal German Archives.