1. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

2. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

3. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

4. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

5. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

6. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

7. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.