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 community". Criticism for this award was due to the fact that the Soviet President destabilised the Eastern bloc and caused the economic collapse and fall of the Soviet Union. The 1989 prize went to the 14th Dalai Lama. The committee's selection was opposed by the Chinese government, which opposes the Dalai Lama's activities regarding Tibet. Additionally, the Nobel Prize Committee cited their intention to put pressure on China, due to the Tiananmen Square Massacre which happened in June 1989. The 1978 prize went to Anwar Sadat, the President of Egypt during the 1973 Yom Kippur War against Israel, and Menachem