1. Who invented Calculus ?

Answer: Newton of Britain in 1670.

2. Who invented by Electric Lamp ?

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

3. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

4. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

5. Who invented google ?

Answer:

Larry Page

6. Who invented Safety Pin ?

Answer: Walter Hunt of U.S.A. in 1849

7. Who invented c language

Answer:

Dennis Ritchie