Greek: Ἀριστοτέλης


  • Aristotle was born in Stagira, Chalcidice, which is East of Thessaloniki, in 384 B.C. His father Nicomachus named him Aristotle, which means “the best purpose”. His father was King Amyntas's personal physician.
  • Being a physician’s son, he was inspired to his father’s scientific work but didn’t show much interest in medicine.
  • When he turned 18, he moved to Athens to pursue his education at Plato’s Academy. He left Athens in 348-347 B.C, spending almost 20 years in the city
  • He later moved with to friend Hermias of Atarneus in Asia, along with his friend Xenocrates. He then travelled to the island of Lesbos accompanied by Theophrastus where they did in-depth analysis of zoology and botany of the island.
  • In 343 B.C after the death of Hermias, Philip II of Macedon invited him to become tutor of his son, Alexander.

    • Attended the Platonic Academy for 20 years (367 BC–347 BC)
    • He had a wife (Pythias)

               He partnered with Herpyllis,

               Together, they had a son (Nicomachus).

    • Contributions:  Founded the field of Ethics as we know it today. His eudaimonia was and still is a giant idea in philosophy.


  • Aristole became the head of royal academy of Marcedon. He became a tutor and gave lessons to two future kings Cassander and Alexander. In his role as tutor to Alexander, he encouraged him to conquer East.
  • In 335 B.C he returned to Athens where he established his own school named Lyceum. For next twelve years he taught various courses at his school.
  • He has been given credit for being the earliest one to study formal logic.
  • His philosophy not only provided us with a system of reasoning,  but it was also related to ethics. He had described a “moral code of conduct” what he referred to as “good living” in Nichomachean Ethics

    Aristotle proposed that the heavens were literally composed of 55 concentric, crystalline spheres to which the celestial objects were attached in which rotated at different velocities (but the angular velocity was constant for a given sphere), with the Earth at the center. The following figure illustrates the ordering of the spheres to which the Sun, Moon, and visible planets were attached.


    10 FACTS

    1. He is credited to be the first genuine scientist in history by the Encyclopedia Britannica.
    2. Aristotle was well known among medieval Muslim intellectuals and was refered to  as "The First Teacher".
    3. Aristotle has been accused of misogyny and sexism by scholars of feminist metaphysics.
    4. It is believed that ‘The Nicomachen Ethics’, a compilation of Aristotle’s lecture notes, is named after his son who died young in a battle.
    5. He was a geocentrist who believed that the earth is the center of the universe.
    6. He gave more accurate theories on some concepts than other philosophers of his day.
    7. Aristotle distinguished about 500 species of birds, mammals and fishes, and his classification of living things contains some elements which still existed in the 19th century.
    8. In his treatise ‘On the Soul’, he proposed three kinds of souls: the vegetative soul, the sensitive soul, and the rational soul.
    9. Aristotle is considered to be the founder of formal logic.
    10. He mentored several brilliant young minds, many of who include Aristoxenus, Dicaearchus, Mnason of Phocis, and Theophrastus went on to become great thinkers in their own rights.



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