1. Who invented by Electric Lamp ?

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

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented Laser ?

Answer:

Charles H. Townes

4. Who invented Radiocarbon ?

Answer:

Willard Libby

5. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

6. Who invented Calculus ?

Answer: Newton of Britain in 1670.

7. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.