1. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

2. Who invented paper ?

Answer:

Cai Lun

3. Who invented by Electric Lamp ?

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

4. Who invented Super Computer ?

Answer:

Seymour Cray

5. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

6. Who invented Piano ?

Answer:

Bartolomeo Cristofori

7. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.