1. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

2. Who invented Calculus ?

Answer: Newton of Britain in 1670.

3. Who invented Proton ?

Answer:

Ernest Rutherford

4. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

5. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

6. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

7. Who invented Transformer ?

Answer:

Ottó Bláthy