Philosopher crossword

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Across
  1. 4. Student of the famous Academy founder.
  2. 8. Ancient Greek thinker from Athens.
  3. 10. Coauthor of The Communist Manifesto.
Down
  1. 1. German author of Thus Spoke Zarathustra.
  2. 2. Known for his work on ethics and critique.
  3. 3. Influential thinker from ancient China.
  4. 5. Scottish empiricist and skeptic.
  5. 6. Famous for the phrase I think therefore I am.
  6. 7. Author of The Republic.
  7. 9. Leading figure of French existentialism.