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:

(1712-1778) Genevan philosopher who influenced the Enlightenment throughout Europe and aspects of the French Revolution. His "Discourse on Inequality" and "The Social Contract" are cornerstones in modern political and social thought.
Marcus Aurelius
Jean-Jacques Rousseau
Søren Kierkegaard
Nassim Taleb