1. Who invented Atomic Bomb ?

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

2. Who invented Floppy disk ?

Answer: IBM in 1970

3. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

4. Who invented Hydrogen bomb ?

Answer:

Edward Teller

5. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

6. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

7. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.