Article Detail Who invented Machine Gun ? Answer: Helge Palmcrantz, Swedish inventor and industrialist Similar Questions : 1. Who invented Locomotive ? Answer: George Stephenson was first to buit steam locomotives. 2. Who invented Penicillin ? Answer: Alexander Fleming of Britain in 1928. 3. Who invented HIV ? Answer: Dr Robert Gallo invented HIV test 4. Who invented Electron ? Answer: Thomson. J of Britain in 1897 5. Who invented Neutron bomb ? Answer: Samuel T. Cohen 6. Who invented Transformer ? Answer: Ottó Bláthy 7. Who invented Diesel Engine ? Answer: Rudoff Diesel of Germany in 1895 Read more from - Important Inventions