"quoth Plato to his disciples"
Illustrated bust of Plato (1875)
Public DomainIllustrated bust of Plato (1875) - Credit: Ernest Wallis

Plato was a classical Greek philosopher, mathematician, and founder of the Academy in Athens, the first institution of higher learning in the Western world. Along with his mentor, Socrates, and his student, Aristotle, he was responsible for laying the foundations of Western philosophy and science.