Sculpture 21st Author:Ronja Friedrichs, Antony Gormley, Adam Szymczyk, Sandra Umathum On the occasion of the 50th anniversary of the founding of the Wilhelm Lehmbruck Museum, some of today's important sculptors exhibited their works in alternating presentations, including Tino Sehgal, Antony Gormley, Monika Sosnowska, Erwin Wurm and Eija-Liisa Ahtila.