1. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented Safety razor ?

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

4. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

5. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

6. Who invented Hydrogen bomb ?

Answer:

Edward Teller

7. Who invented HIV ?

Answer: