A crusader, a hermit, a bishop, a plague victim, and even a repentant murderer by turns: the stories attached to Saint Gerald of Aurillac offer a strange and fragmented legacy. His two earliest biographies, written in the early tenth and early eleventh centuries, depicted the saint as a warrior who devoted his life to pious service. Soon Gerald was a venerated figure, and the monastery he founded was itself a popular pilgrimage site. Like many other cults, his faded into obscurity over time, although a small group of loyal worshippers periodically revived interest, creating sculpted or...