This picture taken on December 09, 1978 shows Gabonese president Omar Bongo (L) meeting Chinese leader Deng Xiaoping (R) during his official visit to China. Africa's longest-serving ruler, Gabon President Omar Bongo Ondimba, who was being treated for an illness in a Spanish clinic, has died aged 73, a French government source said on June 7, 2009. Getty Images logo Getty Images 5 months ago

This picture taken on December 09, 1978 shows Gabonese president Omar Bongo (L) meeting Chinese leader Deng Xiaoping (R) during his official visit to China. Africa's longest-serving ruler, Gabon President Omar Bongo Ondimba, who was being treated for an illness in a Spanish clinic, has died aged 73, a French government source said on June 7, 2009.