1. Who invented Hydrogen bomb ?

Answer:

Edward Teller

2. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

3. Who invented Nylon ?

Answer:

Wallace Carothers

4. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

5. Who invented Atomic Bomb ?

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

6. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.