FTP, name this Portguese prince remembered as a patron of explorers.
Pope Martin V named him the head of the Order of Christ, which became the primary source of funding for his ventures.  Made Duke of Viseau by his father, he played a large part in the capture of Ceuta which he briefly governed.  He showed poor leadership in a campaign against Tangier where he was forced to leave his brother Fernao as hostage.  However he had success with Gil Eanes's rounding of Cape Bojador and the organization of voyages to Cape Verde through his school at Sagres.  FTP, name this Portguese prince remembered as a patron of explorers.
Pope Martin V named him the head of the Order of Christ, which became the primary source of funding for his ventures.  
Prince Henry the Navigator