A $1m reward is being offered

The inaugural exhibition at the Rennie Collection will showcase sculptor Mona Hatoum

The billionaire collector granted us a rare audience at his new gallery in Venice

Among other advice, he suggests to buy what you like and that the affordable stuff is tucked round the back

Next year their collection of Dutch and Flemish 17th-century paintings goes on display for the first time in Europe and the US. The couple gave us their first ever interview

Greek industrialist joins painting and sculpture committee

The collectors add work by Pascale Marthine Tayou to their extensive collection

J. Ezra Merkin offloads $310m collection

The museum will be drawn from the Jumex Foundation's 2,000 works

No return to the boom, but is the worst really over so soon?

Artists, buyers, sellers, organisers, critics and restaurateurs have recorded their memories of Art Basel’s first four decades

Owner cancels reward for his missing set, citing problems with his insurer

Who said it was all about modernism?

He is accused of defrauding his investors, which include charities

Collectors use art to raise funds as liquidity dries up

Our first glimpse of plans for multiple museums laid out by the Iranian industrialist at Art Dubai '08

The Iranian businessman has an extensive collection of Islamic and modern art

Zabludowicz is also planning a Las Vegas space

Decision made after rejection by the Thyssen-Bornemisza Museum in Madrid

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

We look at the talking points and early sales

Bigger stage for German collectors

Wax and wane: Gilbert dummy in V&A storage

In an economic downturn, collectors are calling the shots

The large-scale “disaster painting” is the most expensive Andy Warhol ever to sell at auction

The Moscow-based collector has amassed a hoard of Russian contemporary art

Reinhold Würth has converted a church for old masters

$6m from sale of Chinese paintings, including a Zeng Fanzhi, encourages him to review his remaining collection