1. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

2. Who invented HIV ?

Answer:

3. Who invented colour television ?

Answer:

Peter Carl Goldmark

4. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

5. Who invented Safety razor ?

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

6. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

7. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.