1. Who invented Atomic Bomb ?

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

2. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

3. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913

4. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

5. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

6. Who invented Super Computer ?

Answer:

Seymour Cray

7. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913