1. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

2. Who invented Television ?

Answer:

John Logie Baird

3. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

4. Who invented DNA Structure ?

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

5. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

6. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

7. Who invented Laser ?

Answer:

Charles H. Townes