How did a picture of Yoda get into a 13th Century church manuscript?

A long time ago, in a place far away, a manuscript was created with an enigmatic figure who looks a great deal like a certain little — and yet powerful — green guy from theStar Wars films. It's an unlikely connection between a religious tome and science fiction. 

The similarity to Jedi Grand Master Yoda was recently highlighted by British Library curator Julian Harrison, who runs the Medieval Manuscripts blog...