1. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

4. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

5. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

6. Who invented Floppy disk ?

Answer: IBM in 1970

7. Who invented Piano ?

Answer:

Bartolomeo Cristofori