1. Who invented DNA Structure ?

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

2. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

3. Who invented Nylon ?

Answer:

Wallace Carothers

4. Who invented Printing Press ?

Answer:

Johannes Gutenberg

5. Who invented colour television ?

Answer:

Peter Carl Goldmark

6. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

7. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin