Instructions Full Game: These are multiple-choice quizzes with four possible answer choices that include all questions in a given set.     
Identify the following philosopher:

(1623-1662) French mathematician, physicist, and Catholic theologian. Corresponded with Pierre de Fermat on probability theory, strongly influencing the development of modern economics and social science.
Henry David Thoreau
Ralph Waldo Emerson
Blaise Pascal
David Hume