Across
- 1. - Atomic model innovator
- 4. - Discovered the proton
- 7. - Theory of evolution author
- 11. - Quantum theory developer
- 14. - Heliocentric solar system proponent
- 17. - Theory of relativity creator
- 18. - Electromagnetic wave studies
- 19. - Germ theory pioneer
- 20. - Discovered X-rays
Down
- 2. - Black hole theories
- 3. - Penicillin's accidental discoverer
- 5. - Laws of motion pioneer
- 6. - Telescope pioneer
- 8. - Electromagnetic induction researcher
- 9. - DNA structure co-discoverer
- 10. - Expanding universe evidence
- 12. - Discovered radium and polonium
- 13. - Laws of planetary motion contributor
- 14. - Determined the composition of water
- 15. - Alternating current pioneer
- 16. - DNA's double helix co-discoverer