1. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

2. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

3. Who invented colour television ?

Answer:

Peter Carl Goldmark

4. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

5. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

6. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

7. Who invented by Electric Lamp ?

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