Wrote about the ideal state that should be governed only by wise people.

He believed that both the universe and man are constructed on the same harmonic proportions.

His philosophy also influenced the civilization of all of eastern Asia.

He first mentioned Atlantis in one of his dialogues.

Explained his ideas in the form of dialogues.

He built a seven-note harmonic musical scale.

He won two Olympic competitions.

He discussed problems with his advanced students while working in the garden. Because he walked about while teaching his school was called Peripatetic (which means "to walk about") school.

At the age of 22 he opened a school where he accepted children only for a small fee and those who couldn't afford to pay for their education - without a fee.

He fought bravely for Athens in the Peloponnesian War and in one of the battles saved the life of one of his friends.

He was called the wisest man in Athens.

He was sentenced to death as a heretic.

He tutored young Macedonian prince, future conqueror of the world - Alexander the Great. After Alexander became king, at 20, he gave his teacher a large sum of money to set up a school in Athens.