1. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

2. Who invented Printing Press ?

Answer:

Johannes Gutenberg

3. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

4. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

5. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

6. Who invented colour television ?

Answer:

Peter Carl Goldmark

7. Who invented Laser ?

Answer:

Charles H. Townes