While the Fondazione Mazzotta concentrates on how mountainous terrain shaped the family psyche, his associations with Balthus and Cartier-Bresson are made clear in the European Academy's "Friendship: the only land"

Giles Waterfield, former director of the Dulwich Picture Gallery, looks at how the Colonial Willamsburg Foundation tackles the problems of shifting historical perspectives

A study in obscurity for the twenty-fifth anniversary

This month, the New York gallery celebrates its sesquicentennial with an exhibition on its most famous paintings and clients

25 years of the world’s top fair, from 15 to 20 June

Gold box exhibition to celebrate 125 years

A retrospective of this scale could not have happened without Nantes' Musée des Beaux Arts and the Caixa de Pensiones lending their assistance