Scientists

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Across
  1. 5. Pasteurization
  2. 8. Universal Gravitation
  3. 10. Radio waves
  4. 13. Radioactivity Research
  5. 17. Light Bulb
  6. 18. Electromagnetic induction
  7. 19. Penicillin
Down
  1. 1. Airplane
  2. 2. Light scattering effect
  3. 3. Alternating current electrical systems
  4. 4. Number theory
  5. 6. Zero
  6. 7. Father of computer
  7. 9. Theory of evaluation
  8. 11. Theory of relativity
  9. 12. Buoyancy
  10. 14. Telescope
  11. 15. Atomic Theory
  12. 16. Telephone