The readymade boomerang
Dennis ADAMS; Barbara BLOOM; K. P. BREHMER; Janet BURCHILL; John CAGE; Tony CRAGG; Rosalie GASCOIGNE; Richard HAMILTON; Ilya KABAKOV; Allan KAPROW; Bjørn NØRGAARD; Nam June PAIK; SARKIS; Julian SCHNABEL; Rosemarie TROCKEL; Peter TYNDALL; Ken UNSWORTH; Ben VAUTIER; Boyd WEBB; Lawrence WEINER; Emmett WILLIAMS