How, two decades after his death, did Mondrian become a brand icon, and make a lasting contribution to the “youthquake”?

We explore the Tate Modern exhibition. Plus, the Whitney's Jaune Quick-to-See Smith retrospective and a reconstructed Roman gateway in England

News that a German museum has been hanging work “the wrong way” for 75 years has sparked debate about whether the artist would have even cared

From Mondrian to Rothko, when it comes to hanging a painting, museums don't always get things right first (or even second) time

The auction house held a competitive, white-glove single-owner sale and a lacklustre modern art sale on Monday night

A photograph taken in the Dutch artist’s studio shortly after his death suggests "New York City I" has been displayed the wrong way round since 1945

Our roundup of the latest art publications

Marking the 150th anniversary of Piet Mondrian’s birth, this comprehensive exhibition explores the Dutch artist’s extraordinary capacity for reinvention

Here are the shows to visit beyond the Art Basel fair this week

All you ever wanted to know about Mondrian, from a comprehensive biography to a book about his various studios—selected by the curator Ulf Küster

Plus, an exhibition about wartime hideouts in Poland and Ukraine, and Mondrian’s final work Victory Boogie Woogie

In 1937 the work, which had belonged to art historian Sophie Küppers, was seized by Nazi authorities and eventually sold to New York collector A. E. Gallatin

During an interrogation with Greek police, a construction worker explains what drove him to commit a brazen heist in 2012

Authorities have reportedly arrested a man after the paintings were found in a gorge

Influential works by Duchamp, Picasso and Mondrian also celebrate centenary this year

The complaint also demands compensation for four further works by Mondrian no longer at the Krefeld museum

The difficulty of Dutch pronunciation and the need to raise awareness among foreign visitors led to the museum’s future rebranding

The artist was brilliant long before he came to the city, but his US works are his greatest achievements