1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented Calculus ?

Answer: Newton of Britain in 1670.

3. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

4. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

5. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

6. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

7. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895