Leprosy was one of the scourges of the Middle Ages–not so much because of scale, but because when a person caught it, their community cast them out.  The lazar house in the Brother Cadfael books, St. Giles, plays a significant role in the series.  In the movie, Kingdom of Heaven, Baldwin IV of Jerusalem is portrayed as a leper, which is historically accurate.  He ruled from 1174 to 1185.  The man who recognized he had the disease (instead of the Baron played by Liam Neeson) was William of Tyre, later Archbishop and Chancellor.  As you can see from the following article, the rest of the movie is entirely fictive as well:  http://en.wikipedia.org/wiki/Baldwin_IV_of_Jerusalem Leprosy, also known as ‘Hansen’s Disease’, is a contagious disease caused by a bacteria, Mycobacterium leprae, which is why it is curable post-antibiotics.  Left untreated, leprosy is often Read more…