Genius And Inventors

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Across
  1. 1. Known as ' the father of algebra'
  2. 3. Laws of motion
  3. 4. Invented lightbulb, the phonograph, and the motion picture camera
  4. 5. Best known for discovery of rotating magnetic fields
Down
  1. 2. theory of exploding black hole upon both theory of relativity and quantam mechanics
  2. 4. Invented theory of relativity
  3. 6. Best known for inventing telephones