Article Detail Who invented Open Heart Surgery ? Answer: Dr. Daniel Hale Williams Similar Questions : 1. Who invented Steam Engine ? Answer: Thomas Savery of Britain in 1698 2. Who invented Laser ? Answer: Charles H. Townes 3. Who invented paper ? Answer: Cai Lun 4. Who invented Safety razor ? Answer: King Camp Gillette of U.S.A. in 1903 5. Who invented Microphone ? Answer: Emile Berliner invented the first microphone in 1876. 6. Who invented HIV ? Answer: Dr Robert Gallo invented HIV test 7. Who invented colour television ? Answer: Peter Carl Goldmark Read more from - Important Inventions