Plato 428-347 BC
Plato was a Greek philosopher and the
founder of his Academy, the first university, if you will.
Socrates was Plato's teacher.
Aristotle was Plato's pupil.
Plato's father was Ariston. His mother was Perictione.
In Republic, Plato paints a radical communist picture of the
ideal state. Not only material possessions should be commonly owned
but also spouses and offspring.
See more under
Plato also wrote
which was Socrates' defense speech at his trial in 399 BC.
Xenophon wrote on the same matter. Go
here for Xenophon's
And maybe, see also