We do not intend to enter in essential questions of the workmanship of Sergio Buarque of Holland, we will go in them to limit the peripheral aspects, or, before, to a on question its biography, that seems important to understand the nature of its intellectual passage. It was born in So Paulo, son of pernambucano father and Carioca mother, and always made much question of being So Paulo, but in 1921, with 19 years, it moved eats family for Rio De Janeiro, only coming back the native city in 1946 the invitation of the interventor Jose Carlos de Macedo Soares to direct the So Paulo Museum, in substitution Alfonso de Taunay (professor of history of Sergio in the Gymnasium). Although it has been in certain precocious way, the fact to have adolescent IDO for ripened it to Rio De Janeiro what it made with that was become fullfilled intellectually. When it was, was author of some promising articles. When it came back, was consecrated master of Roots of Brazil, Glass Monsoons, Snake. In Rio De Janeiro Sergio it had contact with innumerable personages as: Manuel Flag, Rodrigo Melo de Franco Andrade, Lcia Miguel Pear tree, Otvio Tarqunio de Sousa, Francisco de Assis Barbosa, Alfonso Arinos de Frank Melo and is clearly its great friend and Cautious fellow worker of Moral Grandson. Perhaps one of the events most important of the life of Sergio Buarque in Rio De Janeiro, it was the marriage with Maria Amlia Cesrio de Alvim, whose movement seems the one of it, therefore was Carioca son of mining father and So Paulo mother, but it moved for So Paulo in 1964 and there it was thirty and as many years before coming back the native land.