 She remained a lifelong friend of Jaspers and his wife, Gertrud Mayer (1879–1974), developing a deep intellectual relationship with him.At Heidelberg, her circle of friends included Hans Jonas, who had also moved from Marburg to study Augustine, working on his "Augustin und das paulinische Freiheitsproblem.Ein philosophischer Beitrag zur Genesis der christlich-abendländischen Freiheitsidee" (1930), and also a group of three young philosophers