1. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

2. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

3. Who invented Nylon ?

Answer:

Wallace Carothers

4. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

5. Who invented Submarine ?

Answer:

John Philip Holland

6. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

7. Who invented colour television ?

Answer:

Peter Carl Goldmark