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.
2006 Nobel Peace Prize that Yunus was a poor choice for the award, stating: "...the Nobel committee could have made a braver, more difficult, choice by declaring that there would be no recipient at all." He is one of only seven persons to have won the Nobel Peace Prize, Presidential Medal of Freedom, and the Congressional Gold Medal. Other notable awards include the Ramon Magsaysay Award in 1984, the World Food Prize, the International Simon Bolivar Prize (1996), the Prince of Asturias Award for Concord and the Sydney Peace Prize in 1998, and the Seoul Peace Prize in 2006. Additionally, Yunus has been awarded