1. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

2. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

3. Who invented DNA Structure ?

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

4. Who invented colour television ?

Answer:

Peter Carl Goldmark

5. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

6. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

7. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879