Leprosy - A disease of the peripheral nervous system and upper mucosa of the respiratory tract that causes external skin lesions. This disease has affected humans for more than 4000 years and has turned its' victims into social outcasts, forcing them to spend their lives awau from others in leper colonies.
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Inside Canterbury Cathedral: King Henry IV (1367-1399-1413 (a mature looking 46 on his death, possibly via leprosy)), nephew of the Black Prince, and his Queen, Joan of Navarre. Henry came to the throne via a coup which removed and eventually murdered Richard II (son of the Black Prince) in Henry's favour.