1. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

2. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913

3. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

4. Who invented HIV ?

Answer:

5. Who invented Floppy disk ?

Answer: IBM in 1970

6. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

7. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams