Article Detail Who invented CT scan ? Answer: Hounsfield by Britain in 1973. Similar Questions : 1. Who invented Radiocarbon ? Answer: Willard Libby 2. Who invented CT scan ? Answer: Hounsfield by Britain in 1973. 3. Who invented Safety razor ? Answer: King Camp Gillette of U.S.A. in 1903 4. Who invented Telescope ? Answer: Hans Lippershey of Netherlands in 1608. 5. Who invented Ball-Point Pen ? Answer: John J. Loud of U.S.A. in 1888 6. Who invented colour television ? Answer: Peter Carl Goldmark 7. Who invented Open Heart Surgery ? Answer: Dr. Daniel Hale Williams Read more from - Important Inventions