1. Who invented Computer ?

Answer:

Charles Babbage

2. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

3. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

4. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

5. Who invented colour television ?

Answer:

Peter Carl Goldmark

6. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

7. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903