1. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

2. Who invented Hydrogen bomb ?

Answer:

Edward Teller

3. Who invented Automatic rifle ?

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

4. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

5. Who invented Atomic Bomb ?

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

6. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

7. Who invented Nylon ?

Answer:

Wallace Carothers