1. Who invented colour television ?

Answer:

Peter Carl Goldmark

2. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

3. Who invented Vitamin A ?

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

4. Who invented Piano ?

Answer:

Bartolomeo Cristofori

5. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

6. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

7. Who invented Stethoscope ?

Answer: Laennec of French in 1819.