1. Who invented Safety Pin ?

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

2. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

3. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

4. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

5. Who invented Television ?

Answer:

John Logie Baird

6. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

7. Who invented Electron ?

Answer: Thomson. J of Britain in 1897