1. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

2. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

3. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

4. Who invented HIV ?

Answer:

5. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

6. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

7. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.