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:

(1905-1980) French philosopher and playwright. Key figure in existentialism and phenomenology, and a leading figure in 20th-century French philosophy and Marxism. Wrote "Being and Nothingness" (1943) and "Existentialism Is a Humanism" (1946).
Peter Abelard
Jean-Paul Sartre
Jacques Derrida
Confucius