English summary: The Apostles' Creed is core to the Latin Christian West. The new study recounts the history of research on the origin of this Creed and adds to the most recent debate new aspects by using an overlooked hint in the earliest Expositio Symboli to interpret this text from a completely new perspective. German description: Das Apostolikum gehort zu den zentralen Symboltexten des christlichen Westens. Nachdem im 19. und 20...