1. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

2. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

3. Who invented c language

Answer:

Dennis Ritchie

4. Who invented Safety razor ?

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

5. Who invented Java Language ?

Answer:

James Gosling

6. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

7. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895