 They lived for a while in Drewitz, a southern neighborhood of Potsdam, before moving to Heidelberg, where they lived with the Jaspers.After Heidelberg, where Günther completed the first draft of his "Habilitation" thesis, the Sterns then moved to Frankfurt where Günther hoped to finish it.There, Arendt participated in the university's intellectual life, attending lectures by Karl Mannheim and Paul Tillich, among others.