1. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

2. Who invented Floppy disk ?

Answer: IBM in 1970

3. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

4. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

5. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

6. Who invented DNA Structure ?

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

7. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913