1. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

2. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

3. Who invented Nylon ?

Answer:

Wallace Carothers

4. Who invented Radiocarbon ?

Answer:

Willard Libby

5. Who invented Hydrogen bomb ?

Answer:

Edward Teller

6. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

7. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644