Already in 1956 Gunter Grass opted - under the impression of Adornos analysis of the culture after Auschwitz - for an ascetic, >> grey << language as standard of poetry - a maxim, which led also for Paul Celan in confrontation with Adorno to fundamental decisions on the reduction of his lyrical language. On the other hand the exchange between the autodidact Grass and his >> Lehrer << Celan had a fundamental importance for the concept of Hundejahre as an epic correlate to the verbal cosmos of the poet. As >> communicating vases << they are connected by a mutual code, which this essay tries to decrypt.