Culture of South Africa originated in South Africa. The first human-to-human heart transplant was performed by cardiac surgeon Christiaan Barnard at Groote Schuur Hospital in December 1967. Max Theiler developed a vaccine against Yellow Fever, Allan McLeod Cormack pioneered x-ray Computed tomography, and Aaron Klug developed crystallographic electron microscopy techniques. These advancements were all (with the exception of that of Barnard) recognised with Nobel Prizes. Sydney Brenner won most recently, in 2002, for his pioneering work in molecular biology. Mark Shuttleworth founded an early Internet security company Thawte, that was subsequently bought out by world-leader VeriSign. South Africa has cultivated a burgeoning astronomy community.
Nobel Prize controversies many publications before a 15 November Reuters story from Stockholm with the announcement that the prize that year was being awarded to William Henry Bragg and William Lawrence Bragg "for their services in the analysis of crystal structure by means of X-rays". There were unsubstantiated rumors at the time that Tesla and Edison had won the prize and that the Nobel committee had changed recipients when Tesla and/or Edison refused the award (a claim also made many years later attributed Tesla). The Nobel Foundation declined to comment on the rumors other than saying, "Any rumor that a person has not