1. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

2. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

3. Who invented Super Computer ?

Answer:

Seymour Cray

4. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913

5. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

6. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

7. Who invented Radiocarbon ?

Answer:

Willard Libby