1. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

2. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

3. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

4. Who invented Atomic Bomb ?

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

5. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

6. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

7. Who invented Hydrogen bomb ?

Answer:

Edward Teller