1. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

2. Who invented Television ?

Answer:

John Logie Baird

3. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

4. Who invented Floppy disk ?

Answer: IBM in 1970

5. Who invented Safety razor ?

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

6. Who invented Vitamin D ?

Answer:

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

7. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628