When and where was Pedro Nunes born?
Pedro Nunes entered the world in 1502 within the town of Alcácer do Sal. This coastal settlement in Portugal served as his birthplace and early home.
Questions about Pedro Nunes
Short answers, pulled from the story.
What mathematical concept did Pedro Nunes identify regarding navigation?
Pedro Nunes identified that ships maintaining steady courses traced spiral paths known today as loxodromes. These lines maintained fixed angles relative to meridians on Earth's surface while studying spherical trigonometry.
How did Pedro Nunes improve measurement precision for ship positions at sea?
Pedro Nunes designed a device called the nonius to improve measurement precision using concentric circles divided into decreasing numbers of segments. Some languages still refer to the Vernier scale as the nonius and Swedish terminology preserves Nunes' name within the device itself.
Who appointed Pedro Nunes Royal Cosmographer and when did he hold this title?
King John III of Portugal appointed Nunes Royal Cosmographer in 1529. He held the title Chief Royal Cosmographer starting in 1547 until his death.
Where and when did Pedro Nunes die?
Nunes died in Coimbra on the 11th of August 1578. His influence extended internationally through students like Edward Wright and John Dee.