1. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

2. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

3. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

4. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

5. Who invented Television ?

Answer:

John Logie Baird

6. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

7. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888