1. Who invented colour television ?

Answer:

Peter Carl Goldmark

2. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

3. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

4. Who invented Printing Press ?

Answer:

Johannes Gutenberg

5. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

6. Who invented Calculus ?

Answer: Newton of Britain in 1670.

7. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.