1. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

2. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

3. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

4. Who invented Atomic Bomb ?

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

5. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

6. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

7. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903