1. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

2. Who invented Java Language ?

Answer:

James Gosling

3. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

4. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

5. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

6. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

7. Who invented Submarine ?

Answer:

John Philip Holland