1. Who invented Piano ?

Answer:

Bartolomeo Cristofori

2. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

3. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

4. Who invented colour television ?

Answer:

Peter Carl Goldmark

5. Who invented Hydrogen bomb ?

Answer:

Edward Teller

6. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

7. Who invented Transistor ?

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