Across
- 6. /he suggested that the universe was sun-centered not earth-centered
- 8. /he is the father of history
- 10. /he created the first geometry book
Down
- 1. /he created a theorem about triangles
- 2. /he taught Alexander the Great
- 3. /he calculated the circumference of the Earth
- 4. /he invented levers and pulleys
- 5. /he is the father of medicine
- 7. /he firmly believed in democracy
- 9. /he wrote books called dialogues