Expert disease detective unravels mysterious illness that killed famed 12th century sultan

Saladin may not be well known in the West, but even 800 years after his death, he remains famous in the Middle East. Born in 1137, he rose to become the Sultan of an enormous area that now includes Egypt, Syria, parts of Iraq, Lebanon, Yemen and other regions of North Africa. He successfully led armies against the invading Crusaders and conquered several kingdoms. Historians have described him as the most famous Kurd ever.