1. Who invented Radiocarbon ?

Answer:

Willard Libby

2. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

3. Who invented Computer ?

Answer:

Charles Babbage

4. Who invented Laser ?

Answer:

Charles H. Townes

5. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

6. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

7. Who invented Stethoscope ?

Answer: Laennec of French in 1819.