1. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

2. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

3. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

4. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

5. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

6. Who invented Piano ?

Answer:

Bartolomeo Cristofori

7. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747