1. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

2. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

3. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

4. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

5. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

6. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

7. Who invented Radiocarbon ?

Answer:

Willard Libby