1. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

2. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

3. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

4. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

5. Who invented Submarine ?

Answer:

John Philip Holland

6. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

7. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.