1. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

2. Who invented Floppy disk ?

Answer: IBM in 1970

3. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

4. Who invented HIV ?

Answer:

5. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

6. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

7. Who invented c language

Answer:

Dennis Ritchie