1. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

2. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

3. Who invented Safety razor ?

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

4. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

5. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

6. Who invented Super Computer ?

Answer:

Seymour Cray

7. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams