Answer:

PLATO

Answer	Crossword Clue
PLATO	Aristole's teacher
PLATO	Greek philosopher
PLATO	"Beetle Bailey" intellectual

PLATO	Aristotle's teacher
PLATO	Author of the Republic
PLATO	Socratic student
PLATO	Student of Socrates
PLATO	Wise old Athenian
PLATO	Academy founder
PLATO	Philosopher who first mentioned Atlantis
PLATO	Socrates' pupil

PLATO	"Symposium" author
PLATO	Academy founder of 387 B.C.
PLATO	Author of many dialogues
PLATO	"The Republic" author
PLATO	Academy teacher
PLATO	Philosophy 101 subject
PLATO	Teacher of Aristotle
PLATO	"Phaedo" philosopher

PLATO	Socrates's star pupil
PLATO	Beetle Bailey character
PLATO	Dana of "Diff'rent Strokes"
PLATO	Wise Athenian
PLATO	"The Republic" writer
PLATO	He was the first to write of Atlantis
PLATO	Penner of "The Republic"
PLATO	"Phaedo" author

PLATO	"Beetle Bailey" character named for a Greek
PLATO	"Apology of Socrates" author
PLATO	Sal's "Rebel Without a Cause" role
PLATO	"Beetle Bailey" egghead
PLATO	Socrates, ..., Aristotle
PLATO	Early philosopher
PLATO	Greek philosopher who wrote "The Republic"
PLATO	Pupil of Socrates

PLATO	Athenian founder of the Academy
PLATO	Founder of the first institution of higher learning in the Western world
PLATO	Famed Socratic dialogist
PLATO	Founder of ancient Greece's Academy
PLATO	Theory of Forms philosopher