This article presents a study about ideas and practices of three intellectuals active in the North of Minas Gerais on the second half of the Twentieth Century, along with its economic modernization process: the entrepreneur Luiz de Paula Ferreira, the physician and political leader Pedro Santos and the economist Alfredo DolabellaPortella Filho. The aim of the article is to investigate the trajectory of these three men, identify and discuss their way of viewing and proposals to the development of the region.