1. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented Computer ?

Answer:

Charles Babbage

4. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

5. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

6. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

7. Who invented Vitamin K ?

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