Re: Spring 2014 | Page 75

6 South African Inventions South Africans have a reputation for being incredibly creative in order to help other people and make their lives better. Here’s a list of some of the most innovative South African inventions – and many of their inventors are from pretty unassuming places too… CAT Scan Heart Transplant Retinal Cryoprobe The Computed Axial Tomography Scan or CAT was developed by Cape Town physicist Allan Cormack and his associate Godfrey Hounsfield. He provided the mathematical technique for the CAT scan, in which an X-ray source and electronic detectors are rotated about the body and the resulting data is analysed by a computer to produce a sharp map of the tissues within a cross-section of the body. This resulted in a Nobel Prize in Physiology and Medicine. The world’s first heart transplant was performed by Dr Chris Barnard in Cape Town on 3rd December 1967. The patient Louis Washkansky was suffering heart failure at the time and Dr Barnard took the chance to operate him. After that, Barnard became an international celebrity. He went on to perform more than 10 other heart tran 7