Haroldo Eurico Browne de Campos (São Paulo, August 19, 1929 - São Paulo, August 16, 2003) was a Brazilian baroque poet and translator.

Haroldo studied at Colégio São Bento, where he learned his first foreign languages, such as Latin, English, Spanish and French. He entered the Faculty of Law at the University of São Paulo at the end of the 1940s and released his first book, O Auto do Possesso, in 1949, when he took part in the Poetry Club alongside Décio Pignatari.

In 1952, Décio, Haroldo and his brother Augusto de Campos broke with the Club because they disagreed with the prevailing conservatism among the poets, known as the “Generation of '45”. They then founded the Noigandres group and began publishing poems in the group's magazine, with the same title. In the following years, he defended the theses that would lead the three of them to inaugurate, in 1956, the concretist movement, to which he remained faithful until 1963, when he inaugurated a particular path, focusing his attention on the project of the book-poem “Galáxias”.

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