Today scientific, technological and cultural knowledge is shared worldwide. The extent to which globalized knowledge also existed in the past is an open question and, moreover, a question that is important for understanding present processes of globalization. This book, the first volume of the series "Studies" of the "Max Planck Research Library for the History and Development of Knowledge," th…
On April 22, 1915, the German military released 150 tons of chlorine gas at Ypres, Belgium. Carried by a long-awaited wind, the chlorine cloud passed within a few minutes through the British and French trenches, leaving behind at least 1,000 dead and 4,000 injured. This chemical attack, which amounted to the first use of a weapon of mass destruction, marks a turning point in world history. The …