As the octogenarian veteran of the American Light & Space movement addresses a crowd ahead of his exhibition at South London’s White Cube Robert Barry finds a conceptual artist less interested in concepts than the subtleties of perception. Photographs courtesy of Ben Westoby/White Cube
Michael John sits down to talk with Laurence Scott — author of The Four-Dimensional Human: Ways of living in the digital world — about the erosion and universality of celebrity culture, economic claustrophobia, the nature of an ever-present digital past and the prophetic powers of The Simpsons. (Photograph: Jean Baudrillard — Saint Clement, 1987)