On September 20, 1940, one of the most famous European art dealers disembarked in New York, one of hundreds of Jewish refugees fleeing Vichy France. Leaving behind his beloved Paris gallery, Paul Rosenberg had managed to save his family, but his paintings - modern masterpieces by Cézanne, Monet, Sisley, and others - were not so fortunate. As he fled, dozens of works were seized by Nazi forces and the art dealer's own legacy was eradicated. More than half a century later, Anne Sinclair uncovered a box filled with letters and plunged into these archives, in search of the story of her family