-German artist Martin Kippenberger died in 1997 (b. Dortmund 1953). His work has been internationally celebrated since his death and now occupies a solid place in the most important art collections and museums in the world. Now as then, the question as to the value of his work triggers lively debate: praised as the Beuys of the 1980s, the German Warhol or Picabia's successor, he is equally well known as a dilettante and genius, enfant terrible and provocateur, relentless networker and visionary.
Largely ignored by the art market for decades, he strove for recognition, which he initially...