1. Who invented Calculus ?

Answer: Newton of Britain in 1670.

2. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

3. Who invented Transistor ?

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

4. Who invented Computer ?

Answer:

Charles Babbage

5. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

6. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

7. Who invented Transformer ?

Answer:

Ottó Bláthy