1. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

2. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

3. Who invented Atomic Bomb ?

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

4. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

5. Who invented Vitamin A ?

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

6. Who invented Calculus ?

Answer: Newton of Britain in 1670.

7. Who invented Nylon ?

Answer:

Wallace Carothers