Article Detail Who invented Atomic theory ? Answer: Dalton of Britain in 1803. Similar Questions : 1. Who invented DNA Structure ? Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951 2. Who invented Steam Engine ? Answer: Thomas Savery of Britain in 1698 3. Who invented Microphone ? Answer: Emile Berliner invented the first microphone in 1876. 4. Who invented google ? Answer: Larry Page 5. Who invented Electron ? Answer: Thomson. J of Britain in 1897 6. Who invented HIV ? Answer: Dr Robert Gallo invented HIV test 7. Who invented Machine Gun ? Answer: Helge Palmcrantz, Swedish inventor and industrialist Read more from - Important Inventions