1. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

2. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

3. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

4. Who invented Super Computer ?

Answer:

Seymour Cray

5. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

6. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

7. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.