Ben Lewis continues his series of programmes looking at a new generation of contemporary international artists.

Gregor Schneider won the Golden Lion at the Venice Biennale in 2001 by exhibiting his whole house in the German pavilion. But this was no ordinary suburban home - since the age of 16, Schneider has been transforming his father's three-story detached property into a house of horrors: a grim series of acoustically-isolated rooms insulated with lead, fake partitions, dank dark basements and, in his own words, "love nests" and "wanking corners".

Convinced that this kind of art can only be explained by a terrible childhood trauma, Ben tries to persuade Schneider to talk about his past, but the artist perceives his work within a rather more theoretical-conceptual framework...