Who ? Friedrich Hölderlin, major German lyric poet, an important thinker in the development of German Idealism.
What ? The carpenter Ernst Zimmer gave him a room in his house in Tübingen, a tower in the old city wall, with a view across the Neckar river.
When ? Hölderlin spent 36 years in the tower, until his death in 1843, being visited by travelers.
Now ? The Hölderlin-Museum can be visited (Tu-Fr: 10-12 & 15-17; Sa-Su: 14-17).

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Hölderlin’s tower in Tübingen ?