The flying saucers have landed: Qatar’s thrilling new supersized museum

It took 18 years to build, has nearly a mile of galleries and is inspired by a desert rose. But is Jean Nouvel’s eye-popping creation for the world’s wealthiest nation too extravagant to fill?

The 10 best art patrons

As a new show at the National Gallery explores the influence of Paul Durand-Ruel, the dealer who ‘made’ the impressionists, Rachel Cooke highlights other great patrons and collectors