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