1. Who invented DNA Structure ?

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

2. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

3. Who invented Television ?

Answer:

John Logie Baird

4. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

5. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

6. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

7. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin