<prompt> CT scan was invented by-HounsfieldRoentgenCormackTesla  <response>: Ans. is a i.e., Hounsfield A new method of forming images from X-rays i.e. CTCAT was developed and introduced into clinical use by a British physicist Godfrey Hounsfield in 1972. Godfrey Hounsfield is considered as the inventor of CTCAT. 