Article Detail Who invented by Electric Lamp ? Answer: Thomas Alva Edison of U.S.A. in 1879 Ad Similar Questions : 1. Who invented Steam Engine (Piston) Answer: Thomas Newcomen of Britain in 1712 2. Who invented Logarithms ? Answer: John Napier (Scotland) invented Logarithm 3. Who invented Morphine ? Answer: Friderich Sertumer of Germany in 1805 4. Who invented Laptop ? Answer: Adam Osborne in 1981. 5. Who invented Vitamin C ? Answer: Scottish naval surgeon James Lind in 1747 6. Who invented Chemotherapy ? Answer: Paracelsus of Switzerland 7. Who invented Open Heart Surgery ? Answer: Dr. Daniel Hale Williams Read more from - Important Inventions