1. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

2. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

3. Who invented Java Language ?

Answer:

James Gosling

4. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

5. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

6. Who invented X-ray ?

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

7. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951