1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

3. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

4. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

5. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

6. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

7. Who invented Floppy disk ?

Answer: IBM in 1970