Sir Eian O' Duel, Elizabethan Navigator

Description

Sir Francis Drake, Sir John Hawkins, Sir Thomas Cavendish and Sir Walter Raleigh were famous captains and explorers of the 16th century, but none of there ilk could read a map, let alone tackle the mathematics / astronomy of Dead reckoning. behind the scenes stands the often eccentric scholars entrusted with the title of Pilot-Navigator.