Can you figure out each revolutionist?

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Across
  1. 5. Heliocentric theory
  2. 7. Sun revolves in ellipses
  3. 9. "I think therefore I am"
  4. 10. developed scientific method
Down
  1. 1. Discovered blood circulation
  2. 2. Jupiter's 4 moons
  3. 3. Dissected human bodies
  4. 4. Father of chemistry
  5. 6. Urban VIII Tried Galileo for heresy
  6. 8. Laws of motion