Henri Pirenne

Henri Pirenne was a leading Belgian historian. He also became prominent in the non-violent resistance to the Germans who occupied Belgium in World War I.Henri Pirenne's reputation today rests on three contributions to European history. First, what has become known as the Pirenne Thesis, concerning origins of the Middle Ages in reactive state formation and shifts in trade; secondly, for a distinctive view of Belgium's medieval history; and, thirdly, for his model on the development of the medieval city.Source: Wikipedia