Famous Scientists

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Across
  1. 3. Developed the first successful polio vaccine
  2. 6. Discovered X-rays
  3. 9. Developed the theory of relativity
  4. 10. Discovered radioactivity
Down
  1. 1. Developed the laws of electromagnetism
  2. 2. Discovered the principle of conservation of energy
  3. 4. Developed the theory of natural selection
  4. 5. Discovered the laws of planetary motion
  5. 7. Developed the laws of motion and gravity
  6. 8. Developed the first vaccine for smallpox