On the morning of 19 August 1944, a 28-year-old Frenchman called Georges Loiseleur hurried down to the street from his flat on the Quai des Grands-Augustins. Paris was abuzz. A short distance away, he could hear chaotic sounds from the Ile de la Cite, where police had come out for the Resistance and taken control of their HQ. The longed-for insurrection was under way.