1. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

2. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

3. Who invented Java Language ?

Answer:

James Gosling

4. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

5. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

6. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

7. Who invented Vitamin A ?

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