Speusippus
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Speusippus was an ancient Greek philosopher. Speusippus was Plato's nephew by his sister Potone. After Plato's death, c. 348 BC, Speusippus inherited the Academy, near age 60, and remained its head fo
Speusippus, 17th-century engraving
Speusippus, depicted as a medieval scholar in the Nuremberg Chronicle
Plato
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Plato was an ancient Greek philosopher of Classical Athens who is most commonly considered the foundational thinker of the Western philosophical tradition. An innovator of the literary dialogue and di
Speusippus
…Speusippus (; Ancient Greek: Σπεύσιππος; c. 408 – 339/8 BC) was an ancient Greek philosopher. Speusippus was Plato's nephew by his sister Potone. After Plato's death, c. 348 BC, Speusippus inherited the Academy, near age 60, and remained its head for the next eight…
Plato was one of the devoted young followers of Socrates, whose bust is pictured above.
Heraclitus (1628) by Hendrick ter Brugghen. Heraclitus saw a world in flux, with everything always in conflict, constantly changing.
Bust of Parmenides from Velia. Parmenides saw the world as eternal and unchanging, that all change was an illusion.
The mathematical and mystical teachings of the followers of Pythagoras, pictured above, exerted a strong influence on Plato.