Claremont Graduate School. During his lifetime, Ader had solo exhibitions at the Chouinard Art School, Los Angeles (1970), the Pomona College Museum of Art (1972), and the galleries Art & Project, Amsterdam (1972), Kabinett für Aktuelle Kunst, Bremerhaven, Germany (1972, 1974) and the Claire S. Copley Gallery, blogs.getty.edu; accessed 8 April 2015. Ader held a two-person exhibition with William Leavitt at the Nova Scotia School of Art and Design (1972), a conceptual hotbed at the time, as well as a number of group exhibitions in Europe and the US with such artists as Leavitt, Ger van Elk, Gilbert & George, Jack Goldstein, Allen Ruppersberg, John Baldessari, and Marcel Broodthaers among others. His work was also included in the important international survey exhibitions Prospekt '71: Projektion at the Kunsthalle Düsseldorf (1971), and Sonsbeek '71, Groningen, Holland. (1971). 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), Kunstverein Braunschweig, Germany (2000), Portikus, Frankfurt (2003), and the Museo Tamayo Arte Contemporáneo, Mexico City (2004). Ader's first retrospective in the United States took place in 1999 at the University of California, Irvine, and travelled to two other venues; the Mary Porter Sesnon Art Gallery, University of California, Santa Cruz, and the Sweeney Art Gallery at the University of California, Riverside. It was curated by Brad Spence with a catalogue including contributions by Thomas Crow, Jan Tumlir, and Spence. In 2006, Camden Arts Centre, London held a European retrospective of his works which travelled to the Museum Boijmans Van Beuningen, Rotterdam and the Kunsthalle, Basel, Switzerland. More recent solo exhibitions include In Search of the Miraculous: 30 Years Later, at Centro Gallego de Arte Contemporáneo, Santiago de Compostela, Spain (2010), Suspended Between Laughter and Tears, Pitzer Art Galleries, Pitzer College, Claremont CA (2010), which travelled to the Museo de Arte Zapopan, Mexico, and the artist's first Italian retrospective Tra Due Mondi, MAMbo, Museo d'Arte Moderna di Bologna, Bologna, Italy (2013). Metro Pictures, NYC, had a mini-survey of his work during summer 2016, as did Simon Lee Gallery in London. Erika Yeomans' conceptual documentary In Search of Bas Jan's Miraculous (1998, 40 minutes, mixed media) on Ader's life and art was featured on This American Life in 1996. Here Is Always Somewhere Else