1. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

2. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

3. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

4. Who invented Transistor ?

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

5. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

6. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

7. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913