Across
- 2. french philosopher
- 3. became a professor of mathematics and wrote a book
- 4. a period when philosphers used reason and the scientific method to discover more about human nature
- 6. held various jobs in France and Italy
- 7. he was def and a composer
- 9. based on the belief that reason is the chief source of knowledge
- 10. he wrote an essay that said every one argued that every person was born with a tabula rasa.
- 12. first european to make regular observations of the heavens using a telescope
- 14. a systematic procedure for collecting evidence
- 15. earth is at the center of the universe
Down
- 1. a german mathematician that destroyed the Ptolemaic system
- 5. a native that published his famous book
- 8. english philosopher with few scientific credentials
- 11. someone who studies wisdom
- 13. the sun is in the center of the universe
