1. Who invented DNA Structure ?

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

2. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

3. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

4. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

5. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

6. Who invented Computer ?

Answer:

Charles Babbage

7. Who invented Atomic Bomb ?

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