1. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

2. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

3. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

4. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

5. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

6. Who invented Atomic Bomb ?

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

7. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.