based on the tachisme style, an esthetic which must have stood out in the Brazilian context of a strong Formalist art. In 1958 he was in San Pablo. On April of that year he exhibited individually at the Modern Museum of Art of this same city. He presented the result of an “action” of some sort: a piece of paper randomly stained and cut into squares, and some rusted scrap picked up in the streets. Testimony varies about the exhibited work.
Greco returned to Buenos Aires after two years abroad. He brought with him a sample of drawings by San Pablo artists, which he exhibited at the Antígona Gallery.
A little afterwards, in 1959, he took part in the Informalist Movement, and he participated in two exhibits of this group. His Informalist style opposed the forms of “proper painting” with a vital and ethical attitude. His matter work was represented on large, almost monochromatic and textured surfaces that reminded of old murals with peeling paint. The exhibit at the Pizarro Gallery in 1960, was totally constructed of dark, matter style and elaborate pieces of cloth.
Fernando Demaría remembered the elaboration process of his painting Homenaje a González Frías (Tribute to González Frías): “I left it outside in the balcony all night long so that the air, the soot, and the rain would charge it with their force”. On occasions, apart from recurring to this unusual procedure, he peed on his paintings –and invited his friends to do the