1. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

2. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

3. Who invented Transformer ?

Answer:

Ottó Bláthy

4. Who invented X-ray ?

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

5. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

6. Who invented Piano ?

Answer:

Bartolomeo Cristofori

7. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504