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A recent reconsideration and recontextualization of Op Art, the expansive 2006 Optic Nerve exhibit at the Columbus Museum of Art, places the Anonima as the sole American collaborative group, along with the European Zero Group, Gruppo N, GRAV and others, who were examining new optical information at that time.
In autumn 1999, the artist Otto Piene, co-founder of the ZERO group, presented his idea of a mining lamp memorial called Geleucht for the first time.