1. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

2. Who invented Transistor ?

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

3. Who invented Radiocarbon ?

Answer:

Willard Libby

4. Who invented Transformer ?

Answer:

Ottó Bláthy

5. Who invented Helicopter ?

Answer:

Igor Sikorsky

6. Who invented Java Language ?

Answer:

James Gosling

7. Who invented Vitamin D ?

Answer:

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