To take only the two most obvious examples, Sir Nicholas Serota, a former young Turk, presides at the new Tate, Britain's most popular gallery, and Charles Saatchi's once shocking collection of Brit art is on display in museum-space that he colonised in London's staid old County Hall upriver.

ECONOMIST: Too much of a good thing

Walker and Bromwich have also staged live arts performances at the Whitechapel Gallery in London, Glasgow's Centre for Contemporary Arts, Modern Art Oxford and at Tate Britain.

BBC: Artist Zoe Walker on Rona