Article Detail Who invented Locomotive ? Answer: George Stephenson was first to buit steam locomotives. Similar Questions : 1. Who invented Hydrogen bomb ? Answer: Edward Teller 2. Who invented Safety Pin ? Answer: Walter Hunt of U.S.A. in 1849 3. Who invented Neutron bomb ? Answer: Samuel T. Cohen 4. Who invented Proton ? Answer: Ernest Rutherford 5. Who invented Circulation of blood ? Answer: William Harvey of Britain in 1628 6. Who invented c language Answer: Dennis Ritchie 7. Who invented HIV ? Answer: Dr Robert Gallo invented HIV test Read more from - Important Inventions