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:

(1928-2008) American linguist, philosopher, and political activist. Sometimes called "the father of modern linguistics". Emerged as a significant figure in linguistics with his landmark work "Syntactic Structures" (1957).
John Stuart Mill
Henry David Thoreau
Immanuel Kant
Noam Chomsky