1. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

2. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

3. Who invented colour television ?

Answer:

Peter Carl Goldmark

4. Who invented Computer ?

Answer:

Charles Babbage

5. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

6. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

7. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765