Oswald Spengler[r]: (1880–1936) German historian who book, Decline of the West studied the cyclical nature of western civilization and started the field of comparative world history. [e]
Philosophy[r]: The study of the meaning and justification of beliefs about the most general, or universal, aspects of things. [e]
Socrates[r]: (ca. 470–399 BCE) Greekphilosopher who is credited with laying the foundations of western philosophy; sentenced to death in Athens for heresy. [e]