1. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

2. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

3. Who invented Vitamin D ?

Answer:

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

4. Who invented Safety razor ?

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

5. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

6. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.