1. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

2. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

3. Who invented Transformer ?

Answer:

Ottó Bláthy

4. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

5. Who invented Super Computer ?

Answer:

Seymour Cray

6. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

7. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885