Instructions 20Q Game: These are similar to full games, but for quizzes larger than 20 questions it will randomly select 20 questions from within the set. This is a quick way to get in some studying of a topic.     
Identify the following philosopher:

(428 BC - 348 BC) Athenian philosopher during the Classical period in Ancient Greece, founder of the Academy, the first institution of higher learning in the Western world. Appears to have been the founder of Western political philosophy. Wrote "The Republic".
Karl Marx
Blaise Pascal
Jean-Paul Sartre
Plato