Very seldom do people know that Primo Levi was also a poet and a translator. Far from being anecdotal, these two aspects of his work contribute to his aesthetic and ethical project. Testifying about the Holocaust elects as its public humanity as a whole and Levi’s translations, at the same time as they show him for the resolute cosmopolitan he was, allow him to continue through allusion his work of testimony. Gaëtan Pégny interviews François Rastier on these issues regarding his book Ulysse à Auschwitz – Primo Levi, le survivant.