1. Sound historians Patrick Feaster and Stephan Puille have managed to pull the sound of Otto von Bismarck, the first chancellor of the German Empire, off of a century-old wax cylinder onto which it had been recorded on October 7, 1889. Additionally, they have also recovered audio from two cylinders holding the voice of German military strategist Helmuth von Moltke, who was nearly 90 at the time. According to Puille, “These are the only recordings of a person born in the eighteenth century which are still audible today.