Everyone who knows anything at all about Petrus Iohannis Olivi knows that his Apocalypse commentary was censured; yet opinions on that condemnation vary. The basic facts are clear. After Olivi's death in 1298, his writings were suppressed by the Franciscan order, yet his tomb at Narbonne became such a popular pilgrimage site that by the second decade of the fourteenth century the crowds were said to rival those a the Porziuncula in Assisi. In 1318...