Ancient Greeks

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Across
  1. 3. Calculated circumference of Earth
  2. 4. Greatest engineer of the ancient world
  3. 6. "Father of Geometry"
  4. 8. Founder of Western Philosophy
  5. 10. Founder of Ionian natural philosophy
  6. 12. "Father of Modern Science"
  7. 14. First to propose a sun-centered universe
  8. 15. First with trigonometric table
  9. 17. Theorized cosmic cycle of love and strife
Down
  1. 1. Founder of Atomism
  2. 2. Discovered earth is a sphere
  3. 5. Student of Socrates and teacher of Aristotle
  4. 7. Universe is concentric spheres centered on Earth
  5. 9. Claimed all things were numbers
  6. 11. "Father of Medicine"
  7. 13. Greatest astronomer of antiquity
  8. 16. Established that Earth was the center of the Universe