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  • Who invented Vitamin A ?

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

Similar Questions :

1. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

4. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

5. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

6. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

7. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

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