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