Katherine LackDr KATHERINE LACK qualified as an applied biologist before turning her attention to medieval Europe. She has been an extramural lecturer in medieval studies at the University of Birmingham and is the author of The Eagle and the Dove (SPCK, 2000), a lfe of the Celtic pioneer Columbanus, and The Cockleshell Pilgrim: A Medieval Journey to Compostela (SPCK, 2003). Read More Read Less