Paolo Dagomari Di Prato
Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
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Paolo Dagomari da Prato (1282-1374), known in Latin as Paulus Geometrus (Paolo il Geometra, "Paul the Geometer"), was a noted Florentine mathematician and astronomer, such a maestro dell'abbaco (master/teacher of the abacus) that he gained the epithet Paolo dell'Abbaco.
Franco Sacchetti called him Paolo Arismetra e Astologo (arithmetician and astronomer) and Giorgio Vasari Paulo Strolago or Paolo Astrologo (astronomer).
He reputedly had 6,000-10,000 pupils over the course of his life, being praised by contemporaries like Giovanni Gherardi da Prato, Filippo Villani, and Giovanni Villani in his Cronica
