Statue of Sir Magdi Yacoub one of the most famous cardiothoracic surgeons in the world, in a square named after him.Sir Yacoub founded the Chain of Hope foundation in 1996, which serves as the bridge connecting experts who provide life-saving heart treatments to children in developing countries.Yacoub was among the first three surgeons to perform an open heart surgery in Nigeria in 1974. In 1986, he was a part of the team that developed the techniques of the heart-lung transplantation at the National Heart and Lung Institute. He also led a British research team at Harefield hospital in 2007 to grow a part of the human heart using stem cells.