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 the award despite his death, under the rule that allows awardees to receive the award who die between being named and the awards ceremony. The decision to award the 2010 Nobel Prize for Physiology or Medicine to Robert Edwards for developing the technique of in vitro fertilisation was bitterly denounced by the Catholic Church, which objects to all artificial methods of human conception and fertilization as well as to contraception. One Vatican official called the award "out of order", and the International Federation of Catholic Medical Associations issued a statement saying that the use of human embryos, created and discarded