(b Belo Horizonte, Oct 23, 1920; d Rio de Janeiro, Apr 25, 1988).
Brazilian painter, sculptor, interactive artist, and art therapist. She was a cofounder in 1959 of the Neo-Concrete movement, whose members laid the foundation for much of Brazilian contemporary art. The Neo-Concretists broke with the rigidity of the rationalism of Concrete art and advocated a more sensorial, interactive art. Lygia Clark and her creative soul-mate, Hélio Oiticica, created participatory works that challenged not only longstanding artistic dogmas, but also the role of the art object itself, as well as the role of the artist, the spectator, and the art institution. Their most groundbreaking works required the viewer to be part of the artwork and thereby experience it sensorially, all of which made their work difficult to categorize. Clark came to see even her exhibitions at major art events as meaningless, and her emphasis on person-to-person dialogue eventually led her into art therapy. Without a therapeutic license, she devoted her last decades solely to treating patients with her own form of art therapy....