1. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

2. Who invented Radiocarbon ?

Answer:

Willard Libby

3. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

4. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

5. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

6. Who invented Vitamin A ?

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

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.