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How did Gerbert of Aurillac meet Pope John XIII in Rome?
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Sylvester II
Sylvester II, detail from the ivory vessel used at the consecration of Otto III, 996; in the Domschatzkammer des Aachener Domes, Aachen, Ger.
Gerbert of Aurillac first met Pope John XIII in Rome in 970. He traveled to the city in the company of Count Borrell of Barcelona. During this visit, Gerbertās extensive mathematical knowledge impressed the Pope, who subsequently presented him to the Holy Roman emperor Otto I.1