The Courtauld’s Renoir exhibition reflects an era when the real drama at the theatre took place off stage

Derek Jarman at the Serpentine shows a visionary film-maker – but his paintings look nothing short of crude

Duchamp is the dark genius in the art bratpack at Tate Modern’s triple-whammy show

Celebrity portraits are a lesson in ego-tripping self-exposure. But do they teach us anything else?

It’s very basic and very revolutionary – but you’ll find yourself back in the USSR with Rodchenko’s photo art

In Juan Munoz’s dark places, you find the heir to Spanish greats such as Goya, Dali, Picasso and Velazquez

High art it is not, but Andrey Bartenev’s garish, disco-themed display has hidden depths

With his magical light sculptures, Anthony McCall will have you dancing in the dark

The New Contemporaries show is a mishmash, but our correspondent perceives some coherence amid the graduate gloom

‘It blew my mind, man’ – our correspondent sees a forgotten 1960s genius swirl back into focus