1. Greek Philosophers

2. Philosophers – “lovers of wisdom” Sophists – “workers of wisdom” – Teachers – Teachers

3. Pythagoras 582-500 B.C. The universe could only be understood thru numbers. The universe could only be understood thru numbers. Famous for the Pythagorean Theorem: a 2 + b 2 = c 2 Famous for the Pythagorean Theorem: a 2 + b 2 = c 2

4. Pythagoras 582-500 B.C. Pythagorean Theorem: a 2 + b 2 = c 2 Pythagorean Theorem: a 2 + b 2 = c 2 a2a2 c2c2 b2b2

5. Hippocrates 460-377 B.C. Founded a school of medicine Founded a school of medicine Observe symptoms Observe symptoms Acute Acute Chronic Chronic “Holistic” healing “Holistic” healing Hygiene Hygiene Diet Diet Curative powers of nature Curative powers of nature The Hippocratic Oath The Hippocratic Oath

6. The Three Most Famous Philosophers Socrates Plato Aristotle

7. Socrates 469 - 399 B.C. Encouraged students to think Encouraged students to think Left no writings – skeptical Left no writings – skeptical Reason and logic Reason and logic Popular among the youth Popular among the youth Put on trial for corrupting youth Put on trial for corrupting youth Death by Hemlock Death by Hemlock *Famous Student  Plato

8. Socrates 469 - 399 B.C. Socratic Method: I. Admit ignorance. II. Never rely on tradition. III. Continuously question. IV. Formulate your own opinions. V. Test your opinions with others.

9. Socrates 469 - 399 B.C. “The unexamined life is not worth living.”

10. Plato 427 - 347 B.C. Preserved and perpetuated the work of Socrates Preserved and perpetuated the work of Socrates Questioned reality Questioned reality Wrote dialogues Wrote dialogues The Republic—Distrust in Democracy The Republic—Distrust in Democracy “Those things which are beautiful are also difficult.”

11. Aristotle 384 - 322 B.C. Most famous student of Plato Most famous student of Plato Most famous teacher of Alexander the Great Most famous teacher of Alexander the Great Developed Logic as a field of study Developed Logic as a field of study

12. Aristotle 384 - 322 B.C. Views on Government Views on Government Good: Good: Monarchy Monarchy Aristocracy Aristocracy Democracy Democracy Bad : Bad : Tyranny Tyranny Oligarchy Oligarchy Mob Rule Mob Rule

13. Aristotle 384 - 322 B.C. “All things in moderation” “All things in moderation” “Man is by nature a political animal.” “Man is by nature a political animal.”

14. Writers 1. Herodotus --History of the Persian Wars 2. Thucydides --History of the Peloponnesian War