Petrus Platevoet (Pieter Plancius): Navigator of Stars and Cartographer of Empires Petrus Platevoet, later known as Petrus Plancius, was a Dutch astronomer, cartographer, and clergyman whose meticulous observations and innovative mapping techniques profoundly impacted the burgeoning Age of Exploration and cemented his place in the annals of scientific history. Born in Dranouter (Heuvelland), Belgium, around 1552, Plancius’s life unfol…