1. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

2. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

3. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

4. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

5. Who invented Calculus ?

Answer: Newton of Britain in 1670.

6. Who invented Printing Press ?

Answer:

Johannes Gutenberg

7. Who invented Piano ?

Answer:

Bartolomeo Cristofori