Article Detail Who invented Atomic Bomb ? Answer: J. Robert Oppenheimer of U.S.A. in 1945 Similar Questions : 1. Who invented Vaccine of Rabies ? Answer: Louis Pasteur of France in 1885 2. Who invented HIV ? Answer: Dr Robert Gallo invented HIV test 3. Who invented Steam Engine (Piston) Answer: Thomas Newcomen of Britain in 1712 4. Who invented Aeroplane Answer: Orville & Wilbur Wright in 1903 5. Who invented by Electric Lamp ? Answer: Thomas Alva Edison of U.S.A. in 1879 6. Who invented Neutron ? Answer: JAMES CHADWICK in 1932 7. Who invented Atomic theory ? Answer: Dalton of Britain in 1803. Read more from - Important Inventions