Scientists and their Discoveries and Inventions

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Across
  1. 3. Discovered Radium and Polonium
  2. 4. Discovered Steam Engine
  3. 5. Discovered that Earth goes round the Sun
  4. 7. Invented Dynamite
  5. 8. Is famous for his work on Gravity and Light
  6. 10. Discovered the first antibiotic (Penicillin)
Down
  1. 1. Discovered the structure of an Atom
  2. 2. Discovered X-Ray
  3. 6. Proposed the law of Relativity
  4. 9. Is known as Father of Geometry