French writer Olivier Guez pictured on September 10, 2017. Olivier Guez wins the Renaudot prize for his novel ‘La Disparition de Josef Mengele’, or ‘The Disappearance of Josef Mengele’. The Renaudot prize while not officially related to the Prix Goncourt, is a kind of complement to it, announcing its laureate at the same time and place as the Prix Goncourt. Photo by Roses/ANDBZ/ABACAPRESS.COM - Photo