Guido of Pisa

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Guido of Pisa (birth unknown – death July 9, 1169), geographer from Pisa. In 1119 he edited and updated the Geographica, a geographic encyclopedia first created in the eighth century by Anonymous of Ravenna. It followed in the tradition of earlier geographies, such as Strabo's Geographica, Pomponius Mela's De situ orbis, Claudius Ptolemy's Geographia, and the Antonine Itinerary. Guido's book included text, as well as maps of Italy and the world as it was known to the Romans. Guido is widely known as the "Father of Geographic Encyclopedias".[1]


  1. Wolfgang Buchwald, Armin Hohlweg, and Otto Prinz, Dictionnaire des auteurs grecs et latins de l'antiquite et du moyen age, translated and updated by Jean Denis Berger and Jacques Billen (Brepols: 1991), 331.

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