Article Detail Who invented Atomic Bomb ? Answer: J. Robert Oppenheimer of U.S.A. in 1945 Similar Questions : 1. Who invented Steam Engine (Piston) Answer: Thomas Newcomen of Britain in 1712 2. Who invented c language Answer: Dennis Ritchie 3. Who invented Stethoscope ? Answer: Laennec of French in 1819. 4. Who invented Relativity Theory ? Answer: Einstein of Germany in 1905. 5. Who invented Nylon ? Answer: Wallace Carothers 6. Who invented Circulation of blood ? Answer: William Harvey of Britain in 1628 7. Who invented Transformer ? Answer: Ottó Bláthy Read more from - Important Inventions