Inspired by a talk at Christie’s, the collector has amassed 150 works from the 13th to 16th centuries, as well as Modern and contemporary pieces

Discussing the differences between Serra and Brancusi

One of the sculptor's models reflects upon his enduring influence and how he changed her life

Claes Oldenburg on his love of things, the loss of his wife and whether to accept a commission for Abu Dhabi

The pioneering video artist discusses his new commission for St Paul’s Cathedral in London

José Berardo doubts government will buy, and plans new art deco museum

Twenty years after his death, the artist’s legacy has been severely damaged by the proliferation of works and organisations which carry his name

A former garage becomes an art space, as the Ivory Press publisher inaugurates building designed by her husband

Director Borja-Villel is instituting radical changes to Madrid museum

The artist discusses his materials and his potentially explosive new book

Anselm Kiefer on leaving his studio of 15 years, the commercialisation of art and why the Holocaust still matters

Other pieces, including a new version of the shark in a tank, have sold to Korea and the US

On the eve of the 30th anniversary of the World Heritage Convention, Matsuura explains his reform of Unesco and the return of the US to membership after nearly 20 years

The Spaniard speaks on his 20 years of experience and his visions of the future

“We exist in a state of barbarity, where art is on the point of not loving art”

Art, acting, life, and Captain Haddock

French-born painter Balthus, who died in February, rarely gave interviews and maintained that he delighted in being anonymous. His friend of 20 years, the actor Richard Gere, spent a few days at his Swiss home in December last year, where they enjoyed a long discussion, full of twists and turns