1. Who invented Floppy disk ?

Answer: IBM in 1970

2. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

3. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

4. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

5. Who invented Piano ?

Answer:

Bartolomeo Cristofori

6. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

7. Who invented paper ?

Answer:

Cai Lun