1. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

2. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

3. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

4. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

5. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

6. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

7. Who invented Java Language ?

Answer:

James Gosling