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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 Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

2. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

3. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

4. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

5. Who invented Floppy disk ?

Answer: IBM in 1970

6. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

7. Who invented HIV ?

Answer:

Dr Robert Gallo invented HIV test

Read more from - Important Inventions
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