Musée d'Art Moderne de la Ville de Paris
Since his disappearance, Ader's work has been exhibited in solo exhibitions at institutions worldwide including the Stedelijk Museum Amsterdam (1988), the Museum Boijmans Van Beuningen, Rotterdam (1993, 2006), Kunstverein München, Munich (1994, 2000), Musée d'Art Moderne de la Ville de Paris (1994), , Germany (2000), Portikus, Frankfurt (2003), and the Museo Tamayo Arte Contemporáneo, Mexico City (2004).