In the normative model of the human curriculum vitae, as represented concretely in the image of the life stairs widespread in Germany and Northern Europe from the beginning of the modern period into the late 19th century, the position of old ages was prominently defined [5]. The course of human life was modeled as a curve: its rise (Latin incrementum) represented early childhood, youth, and young adulthood, its crest represented full adulthood, and its decline (decrementum) r…