1. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

2. Who invented Radiocarbon ?

Answer:

Willard Libby

3. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

4. Who invented google ?

Answer:

Larry Page

5. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

6. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

7. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805