Article Detail Who invented Submarine ? Answer: John Philip Holland Similar Questions : 1. Who invented Television ? Answer: John Logie Baird 2. Who invented Neutron ? Answer: JAMES CHADWICK in 1932 3. Who invented Electron ? Answer: Thomson. J of Britain in 1897 4. Who invented Vitamin A ? Answer: Mc Collum and M.Davis of U.S.A. in 1913 5. Who invented Atomic theory ? Answer: Dalton of Britain in 1803. 6. Who invented Machine Gun ? Answer: Helge Palmcrantz, Swedish inventor and industrialist 7. Who invented Calculus ? Answer: Newton of Britain in 1670. Read more from - Important Inventions