ART & DESIGNPhotos: Secret WeaponThe Danish artist Thomas Poulsen, better known as FOS, is Celine’s man behind the scenes.by Kat Herriman09.29.151A 2011 portrait of Poulsen. Photo by Paw Gissel/Courtesy of the artist and Max Wigram.2Poulsen’s Koøje, an installation at Kunsthal Charlottenborg, in Copenhagen, 2015. Courtesy of the artist, Kunsthal Charlottenborg, Max Wigram.3Osloo, 2011, part of the Danish Pavilion at the 54th Venice Biennale. Courtesy of the artist and Max Wigram.4A Céline fall 2015 look. Courtesy of Celine.5The Céline store in London, featuring FOS pieces. Courtesy of Celine.6A FOS table made of bronze, brass, and glass. Courtesy of Etage Projects.