ART & DESIGNPhotos: Advance GuardBeatrix Ruf, the new director of the Stedelijk Museum, has a nose for the next big thing.by Diane Solway03.04.15Photograph: Rineke Dijkstra1Photograph: Rineke DijkstraBeatrix Ruf.2Urs Fischer’s Madame Fisscher, 1999–2000. Photograph by Stefan Altenburger.3Tony Oursler’s X ERGO Y, 2014, which Ruf exhibited on the exterior of the Stedelijk. Photograph by Ernst van Deursen.4Wade Guyton’s installation at Kunsthalle Zürich, 2013. Photograph by Stefan Altenburger.5Ribbons, 2014, by Ed Atkins, whom Ruf championed early on. Courtesy of the Artist and Cabinet, London.