1. Who invented Transistor ?

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

2. Who invented Nylon ?

Answer:

Wallace Carothers

3. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

4. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

5. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

6. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

7. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912