Across
- 2. provided light and electricty
- 3. was a polish astronomer
- 6. was a english physician
- 8. Brahe was a Danish astronomer
- 10. was a french philosopher and mathematician
Down
- 1. was a physicist and engineer
- 4. was an english statesman and writer
- 5. developed calculus
- 7. was a german astronomer and mathematician
- 9. was an italian astronomer and physicist
