1. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

2. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

3. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

4. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

5. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

6. Who invented Safety razor ?

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

7. Who invented paper ?

Answer:

Cai Lun