Article Detail Who invented Diesel Engine ? Answer: Rudoff Diesel of Germany in 1895 Similar Questions : 1. Who invented CT scan ? Answer: Hounsfield by Britain in 1973. 2. Who invented by Electric Lamp ? Answer: Thomas Alva Edison of U.S.A. in 1879 3. Who invented Electron ? Answer: Thomson. J of Britain in 1897 4. Who invented Floppy disk ? Answer: IBM in 1970 5. Who invented Relativity Theory ? Answer: Einstein of Germany in 1905. 6. Who invented Calculus ? Answer: Newton of Britain in 1670. 7. Who invented Bacteria ? Answer: Leeuwenhock of Netherlands in 1683 Read more from - Important Inventions