Article Detail Who invented Machine Gun ? Answer: Helge Palmcrantz, Swedish inventor and industrialist Similar Questions : 1. Who invented Bicyle ? Answer: Kirkpatrick Macmillan of Britain. 2. Who invented Chemotherapy ? Answer: Paracelsus of Switzerland 3. Who invented paper ? Answer: Cai Lun 4. Who invented Transformer ? Answer: Ottó Bláthy 5. Who invented Automatic rifle ? Answer: John Browning of U.S.A. in 1918. 6. Who invented Circulation of blood ? Answer: William Harvey of Britain in 1628 7. Who invented Piano ? Answer: Bartolomeo Cristofori Read more from - Important Inventions