1. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

2. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

3. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

4. Who invented Safety Pin ?

Answer: Walter Hunt of U.S.A. in 1849

5. Who invented Television ?

Answer:

John Logie Baird

6. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.