Article Detail Who invented Submarine ? Answer: John Philip Holland Similar Questions : 1. Who invented Locomotive ? Answer: George Stephenson was first to buit steam locomotives. 2. Who invented Aspirin ? Answer: Felix Hoffmann invented Aspirin 3. Who invented Bacteria ? Answer: Leeuwenhock of Netherlands in 1683 4. Who invented Aeroplane Answer: Orville & Wilbur Wright in 1903 5. Who invented DNA Structure ? Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951 6. Who invented Penicillin ? Answer: Alexander Fleming of Britain in 1928. 7. Who invented Chloroform as anaesthetic ? Answer: James Simpson of Britain in 1847. Read more from - Important Inventions