[A journey to the foundations of classical medicine].

The author narrates his trips, between 1951 and 2006, to the main historical sites of antique medicine, where physicians of pre-Columbian cultures of Mexico and Peru, Egypt, Greco Latin culture and Islamic civilizations, lived. The trip ends with a visit to medieval European medicine before Renaissance. A description of the main historical sites and the features of these medical and sanitary cultures is made. In antique civilizations, diseases were considered a punishment of pagan deities. Supernatural and magical influences were decisive in medical practice. The Greco Latin culture of Galen and Hippocrates freed manhood from these causes of diseases and gave a rational basis to the practice of medicine. The Islamic civilization allowed the transmission of Greco Latin culture to medieval Europe. This permitted the renaissance of European creativity and the foundation of modern scientific medicine in the sixteenth century. The author highlights the main virtues of classical Greco Latin medicine, that are the foundations of humanistic thoughts that will restrin the technological revolution of modern medicine.