1. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

4. Who invented Submarine ?

Answer:

John Philip Holland

5. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

6. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

7. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912