Article Detail Who invented Open Heart Surgery ? Answer: Dr. Daniel Hale Williams Ad Similar Questions : 1. Who invented Steam Engine (Piston) Answer: Thomas Newcomen of Britain in 1712 2. Who invented Vitamin C ? Answer: Scottish naval surgeon James Lind in 1747 3. Who invented Piano ? Answer: Bartolomeo Cristofori 4. Who invented HIV ? Answer: Dr Robert Gallo invented HIV test 5. Who invented Radar ? Answer: Sir Robert Watson-Watt 6. Who invented Machine Gun ? Answer: Helge Palmcrantz, Swedish inventor and industrialist 7. Who invented colour television ? Answer: Peter Carl Goldmark Read more from - Important Inventions