Alternate names/spellings:

Dates: 1132 - 1202 (Dates are approximate. ) 

Joachim of Fiore, famous for proclaiming the apocalypse and its attendant seven-headed dragon (whose heads included the Muslim leader Saladin and the Holy Roman Emperor Frederick II) was influential and controversial even long after his death in 1202, inspiring eschatalogical prophecies and apocalyptic thinkers well into the 15th century. For more information, see:

Resources: ALIM (Archivio della latinit√† italiana del Medioevo)