1. Who invented colour television ?

Answer:

Peter Carl Goldmark

2. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

3. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

4. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

5. Who invented Piano ?

Answer:

Bartolomeo Cristofori

6. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

7. Who invented Stethoscope ?

Answer: Laennec of French in 1819.