1. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

2. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

3. Who invented Transformer ?

Answer:

Ottó Bláthy

4. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

5. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

6. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

7. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.