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:

(460 BC - 370 BC) Ancient Greek philosopher remembered for his formulation of an atomic theory of the universe. None of his writings have survived; only fragments are known from his vast body of work.
Mary Wollstonecraft
Baruch Spinoza
Democritus
Epicurus