Bettina Krogemann

Archive
Provenance research

Munich pushes provenance research concerning possible Nazi looting

The project, led by Dr Vanessa-Maria Voigt and Dr Horst Kessler, came about by a chance find in a desk...

Archive
Jörg Immendorff

Immendorff: copies, fakes or authorised reproductions?

Michael Werner, his dealer for 30 years, says “everything was out of control” before the artist died

Archive
Private Museums

Why the rise of the private museum is rewriting the rules of the market

Dealers are growing increasingly wary of do-it-yourself institutions

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Collectors

Collector launches website to rate dealers

Helping young collectors to find the right gallery

Archive
Robert Rauschenberg

Late Rauschenbergs emerge from artist’s estate

Several sculptures premiered at Art Basel