Nicolas Berggruen

Berlin gallery fights eviction by property company majority-owned by billionaire art patron Nicolas Berggruen

Semjon H.N. Semjon has occupied the property in the city's Mitte district for 21 years and has launched a legal challenge against his landlord

Billionaire collector Nicolas Berggruen turns Venetian palace into cultural thinktank

The Berggruen Institute also announced that philosopher Peter Singer was the recipient of its annual $1m prize