Einheit durch Vielfalt?

My ecumenical testament is what Oscar Cullmann calls his late work "Unity through Diversity," which he wrote at the age of 84. Ecumenism was a matter close to his heart. Cullmann was well-connected ecumenically and maintained relationships with many significant theologians and clerics from all denominations. It is interesting to see how Cullmann's ecumenical theology developed as a result. What was important to him in shaping ecumenism? What insights does Cullmann's approach offer for current discussions? Matthias Bühlmann examines numerous correspondences that connected Cullmann with many well-known and lesser-known contemporaries from all denominations. Although Cullmann's project "Unity through Diversity" remained unfinished and did not find a structural form, Cullmann's legacy continues to inspire. The learning of churches from one another, from their own charisms, and their mutual complementarity are paths to unity. A unity that unfolds its full quality through diversity.