Princy Henry of Portugal, Duke of Viseu (Portuguese: Infante Dom Henrique; 4 March 1394 – 13 November 1460), better known as Prince Henry the Navigator (), was a Portuguese prince and a central figure in the early days of the Portuguese Empire and in the 15th-century European maritime exploration. Through his administrative direction, he is regarded as the main initiator of what would be known as the Age of Discovery. Henry was the fourth child of King John I of Portugal, who founded the House of Aviz. Wikipedia