1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented Piano ?

Answer:

Bartolomeo Cristofori

3. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

4. Who invented Transistor ?

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

5. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

6. Who invented Super Computer ?

Answer:

Seymour Cray

7. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504