by Giles Milton
General Eisenhower and the architects of D-Day knew that the Allied landings would only be successful if they had up-to-the-minute information about the German coastal defenses.
They already had French spies working on their behalf—and we’ll get to more of this a little later—but they also needed to smuggle daring agents across to the beaches of Normandy in order to undertake close inspections of the enemy fortifications.
It was not for the faint-hearted. It was highly dangerous, with the certainty of death at the hands of the Gestapo, if captured. So who on earth would volunteer for such work?