1. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

2. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

3. Who invented Floppy disk ?

Answer: IBM in 1970

4. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

5. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

6. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

7. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm