Article Detail Who invented by Electric Lamp ? Answer: Thomas Alva Edison of U.S.A. in 1879 Similar Questions : 1. Who invented Dynamo ? Answer: Hypolite Pixii of France in 1832 2. Who invented Open Heart Surgery ? Answer: Dr. Daniel Hale Williams 3. Who invented colour television ? Answer: Peter Carl Goldmark 4. Who invented Machine Gun ? Answer: Helge Palmcrantz, Swedish inventor and industrialist 5. Who invented CT scan ? Answer: Hounsfield by Britain in 1973. 6. Who invented Vitamin K ? Answer: Doisy Dam of U.S.A. in 1938. 7. Who invented Laptop ? Answer: Adam Osborne in 1981. Read more from - Important Inventions