1. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

2. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

3. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

4. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

5. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

6. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

7. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin