Bettina Krogemann


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...

Immendorff: copies, fakes or authorised reproductions?

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


Collector launches website to rate dealers

Helping young collectors to find the right gallery