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