Sierra Leone is in mourning. We need look no further for a hero. This country has not produced one like him since the gallantry shown by those soldiers who helped end our brutal rebel war.
At 39 years, and the country's only specialist in viral haemorrhagic fevers, Dr Shek Umar Khan could have landed a hugely lucrative job anywhere in the world. But he chose to return home to fight a medical war against viral diseases.