1. Who invented by Electric Lamp ?

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

2. Who invented google ?

Answer:

Larry Page

3. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

4. Who invented Vitamin A ?

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

5. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

6. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903

7. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.