Hildegard of Bingen (1098-1179) was one of the most remarkable women of her day. From early childhood she experienced religious visions, and at the age of eight she entered a cloistered religious life in the Benedictine monastery of Disibondenberg. Eventually she not only became abbess of the community, but presided over the establishment of an important new convent near Bingen. All but forgotten for hundreds of years, Hildegard was rediscovered in...