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:

(1711-1776) Scottish Enlightenment philosopher and essayist, best known for his system of philosophical empiricism, skepticism, and naturalism. Wrote "A Treatise of Human Nature" (1738).
Mary Wollstonecraft
Karl Marx
David Hume
Diogenes