Ptolem: Did you mean...?

Tycho Brahe (1546-1601) was a Danish nobleman who made the most significant contribution to our knowledge of astronomy before the telescope arrived. He discovered a supernova, observed the elliptical interplanetary orbit of a comet...

Saint Thomas Aquinas (l. 1225-1274, also known as the "Ox of Sicily" and the "Angelic Doctor") was a Dominican friar, mystic, theologian, and philosopher, all at once. Although he lived a relatively short life, dying at age 49...

Voltaire (1694-1778) was a French author, historian, and philosopher whose thoughts on religious toleration and moderation of authoritarian power were influential during the Enlightenment. His most famous work today is the satirical...

Philolaus (l. c. 470 to c. 385 BCE) was a Pythagorean philosopher who claimed that fire was the first cause of existence and heat the underlying source of human life. He is best known for his pyrocentric model of the universe, which...

Serpent Mound (also known as Great Serpent Mound) is an archaeological and historic site in Peebles, Ohio, USA, enclosing an effigy mound 1348 feet (411 m) long in the shape of a serpent, the largest effigy mound of a serpent in...

Prince Henry the Navigator (aka Infante Dom Henrique, 1394-1460) was a Portuguese prince who famously helped capture the North African city of Ceuta, sponsored voyages of exploration with the aim of building colonies in...

The caravel (caravela in Spanish and Portuguese), was a type of medium-sized ship which, with its low draught and lateen or triangular sails, made it ideal for exploration from the 15th century onwards. Fast, manoeuvrable, and only needing...

The Portuguese colonised Malacca (modern Melaka) on the southwest coast of the Malay peninsula from 1511 and kept it until 1641 when the Dutch took over. The port controlled the Malay Straits which lead from the Indian Ocean...

Legio I Adiutrix was a legion of the Roman army formed from veteran sailors after the death of Roman emperor Nero (r. 54-68 CE). During its long career, the legion accompanied Trajan (r. 98-117 CE) on his Dacian and Parthian campaigns...

Bartholomew Roberts, aka 'Black Bart' Roberts (c. 1682-1722), was a Welsh pirate and one of the most successful villains of the Golden Age of Piracy. Roberts plundered over 400 ships on both sides of the Atlantic during his...