1. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

2. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

3. Who invented Helicopter ?

Answer:

Igor Sikorsky

4. Who invented Super Computer ?

Answer:

Seymour Cray

5. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

6. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

7. Who invented Radar ?

Answer:

Sir Robert Watson-Watt