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:

(1889-1951) Austrian who worked primarily in the philosophy of mathematics, the mind, and language. Published "Tractatus Logico-Philosophicus" (1921), with his papers published posthumously in "Philosophical Investigations" (1953).
Arthur Schopenhauer
Epicurus
Bertrand Russell
Ludwig Wittgenstein