1. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

2. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

3. Who invented Computer ?

Answer:

Charles Babbage

4. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

5. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

6. Who invented HIV ?

Answer:

7. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683