1. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

2. Who invented HIV ?

Answer:

3. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

4. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

5. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

6. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

7. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885