1. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

2. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

3. Who invented Atomic Bomb ?

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

4. Who invented Printing Press ?

Answer:

Johannes Gutenberg

5. Who invented paper ?

Answer:

Cai Lun

6. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

7. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen