Rembrandt’s painting of the circumcision of Christ went missing sometime before 1756. Michelangelo’s bronze statue of David hasn’t been seen since its last-known owner lost his head in the French revolution. And countless other treasures have vanished. Who’s got them? Waldemar Januszczak investigates

Why doesn’t Pissarro get the respect his work deserves? Waldemar Januszczak blames the beard

Phew! That was 2002: Art

At Tate Liverpool, you’ll find that most are only too happy to sell out, says Waldemar Januszczak

Manet was knocked out by Spanish art, but his attempts to emulate it are all too often lifeless, says Waldemar Januszczak

Tracey Emin is still ‘a teenager in pain’ — but the pain is real, says Waldemar Januszczak

They were the hard men of central America, yet produced the most exquisite art. The Aztecs were a mass of contradictions, says Waldemar Januszczak

The Chapman brothers’ spoof tribal fetishes mock McDonald’s and modernism to hilarious effect, says Waldemar Januszczak

The Turner Prize short list is embarrassingly light on talent, says Waldemar Januszczak

Helen Chadwick’s work makes clear that art will always have an important role to play in the modern world