Ferreira Gullar is the pen name for José Ribamar Ferreira (born in São Luís, Maranhão, Northeast Brazil on September 10, 1930), Brazilian poet, playwright, essayist, art critic, and television writer. In 1959 he formed the "Neo-Concretes" group of poets.
Read more about Ferreira Gullar: Influence of Neo-Concretes, "Poema Sujo" and Exile, Notability, Bibliography