1. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

2. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

3. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

4. Who invented Super Computer ?

Answer:

Seymour Cray

5. Who invented Printing Press ?

Answer:

Johannes Gutenberg

6. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

7. Who invented Radiocarbon ?

Answer:

Willard Libby