Career
He made an extensive research on maps to show that America was known long before the Age of Discovery, inspired by previous works by Dick Edgar Ibarra Grasso and Enrique de Gandía. He was the first to identify all the principal fluvial system of South America in the Henricus Martellus Germanus map of 1489, using a distortion grid. He considers that fellow historians and himself constitutes the so-called Argentine School of Protocartography.