1. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

2. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

3. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

4. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

5. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

6. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

7. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist