1. Who invented Safety Pin ?

Answer: Walter Hunt of U.S.A. in 1849

2. Who invented Radiocarbon ?

Answer:

Willard Libby

3. Who invented colour television ?

Answer:

Peter Carl Goldmark

4. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

5. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

6. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

7. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.