Across
- 3. What degree did he get
- 4. The day he was born in
- 5. He was interested in the _______ theory
- 7. What he made that is now in modern math
- 8. Month he was born in
Down
- 1. Century he was born in
- 2. A theory he made which is call the _____ theory
- 3. Know was one of the greatest _________
- 6. Country He was born In
- 9. Something he popularized