1. Who invented X-ray ?

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

2. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

3. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

4. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

5. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

6. Who invented Java Language ?

Answer:

James Gosling

7. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin