Kennedy in Berlin: Photographs by Ulrich Mack

“Ich bin ein Berliner.” With these words, John F. Kennedy made history. Addressing a crowd of several hundred thousand in West Berlin, two years after the erection of the Berlin Wall, the young and charismatic president conveyed solidarity and support for West Germany on behalf of the United States, marking the height of good relations between the two countries and a decisive moment in Cold War history as well.

The local media were poised to record this momentous event. Among the photograph...