Jeff Wall (b.1946) adopts the nineteenth-century poet Baudelaire's famous description of one of his contemporaries as 'a painter of modern life' to describe his own very different work: huge transparencies mounted on to light boxes that diffuse a brilliant glow of white light evenly through his photographs of contemporary urban scenes and 'constructed' social situations. Wall is foremost among the pioneering artists who since the late 1960s have brought...