Fernand Braudel is considered as one of the major historians of the XXth century. Making his stand against factual history, he was one of the founders of the triumph of new history: the history of human societies rooted in their geographical space and obstinately determined to produce their material civilization there. This biography takes its strength from friendly conversations between Braudel and Giuliana Gemelli, who because she is Italian, had the necessary distance to make a demanding quest.