1. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

2. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

3. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

4. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

5. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

6. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

7. Who invented Proton ?

Answer:

Ernest Rutherford