1. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

2. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

3. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

4. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

5. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

6. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

7. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913