Season 1 Episode 5 of Cambridge PhDcasts with PhDcaster Susan Raich. 'Pilgrims and Pirates' Susan Raich is a medieval historian at Trinity College working on shipping and seafaring in the eleventh and twelfth-century English Channel. For more details, including links to additional materials, please see www.crassh.cam.ac.uk/page/1191/susan-raich.htm To find out more about Cambridge PhDcasts, go to www.crassh.cam.ac.uk/phdcasts Cambridge PhDcasts are presented by John Gallagher and produced by Richard Blakemore and Ruth Rushworth with thanks to CRASSH.