Presenter Andrew Graham-Dixon's assessment of three artists' responses to the First World War concludes as he focuses on the work of David Bomberg. Recognised as one of the most original painters of his generation, Bomberg's early modernist works pushed art to its limits. Born in London's East End, the artist spent his life searching for order in an increasingly disordered world, and his journey took him as far as Palestine before settling in Spain, where he died in 1957