Search
Search Results
Definition
Aristotle
Aristotle of Stagira (l. 384-322 BCE) was a Greek philosopher who pioneered systematic, scientific examination in literally every area of human knowledge and was known, in his time, as "the man who knew everything" and later simply as "The...
Article
Aristotle's On the Heavens
One of Aristotle's more famous quotes was, "All men naturally desire knowledge" ("πάντες ἄνθρωποι τοὺ εἰδέναι ὀρὲγοντα&iota...
Definition
Thomas Aquinas
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, Thomas occupied...
Definition
Greek Astronomy
Ancient Greek astronomy was the study of the universe to understand how it functioned and why apart from the established theistic model that claimed all things were ordered and maintained by the gods. Ancient Greek astronomers relied on observation...
Definition
Thales of Miletus
Thales of Miletus (l. c. 585 BCE) is regarded as the first Western philosopher and mathematician. He was born and lived in Miletus, a Greek colony in Ionia (modern Turkey) referenced as the birthplace of Greek Philosophy because of his high...
Definition
Hipparchus of Nicea
Hipparchus of Nicea (l. c. 190 - c. 120 BCE) was a Greek astronomer, geographer, and mathematician regarded as the greatest astronomer of antiquity and one of the greatest of all time. He is best known for his discovery of the precession...
Definition
Alexander the Great
Alexander III of Macedon, better known as Alexander the Great (l. 21 July 356 BCE – 10 or 11 June 323 BCE, r. 336-323 BCE), was the son of King Philip II of Macedon (r. 359-336 BCE) who became king upon his father's death in 336 BCE and then...
Definition
Melissus of Samos
Melissus of Samos (l. c. 5th century BCE) was a Greek philosopher of the Eleatic School, considered the third great proponent of that philosophy's claim that reality is One, after Parmenides (l. c. 485 BCE) and Zeno of Elea (l. c. 465 BCE...
Definition
Ancient Greece
Greece is a country in southeastern Europe, known in Greek as Hellas or Ellada, and consisting of a mainland and an archipelago of islands. Ancient Greece is the birthplace of Western philosophy (Socrates, Plato, and Aristotle), literature...
Definition
Nicolaus Copernicus
Nicolaus Copernicus (1473-1543 CE) was a Polish astronomer who famously proposed that the Earth and other planets revolved around the Sun in a heliocentric system and not, as then widely thought, in a geocentric system where the Earth is...