1. Who invented c language

Answer:

Dennis Ritchie

2. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

3. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

4. Who invented Vitamin D ?

Answer:

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

5. Who invented Vitamin A ?

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

6. Who invented Floppy disk ?

Answer: IBM in 1970

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.