Paolo dal Pozzo Toscanelli
- Paolo dal Pozzo Toscanelli
Paolo dal Pozzo Toscanelli (1397 – May 10, 1482) was an Italian mathematician, astronomer, and cosmographer.
He was born at Florence, the son of the physician Dominic Toscanelli. Educated in mathematics at the University of Padua, he left in 1424 with the title of a doctor of medicine.
Toscanelli is noted for his observations of comets and the painstaking calculation of their orbits. Among these was Halley's comet in 1456.
In 1474 Toscanelli sent a letter and a map to his Portuguese correspondent Fernão Martins, priest at the Lisbon Cathedral, detailing a scheme for sailing westwards to reach the Spice Islands and Asia. Fernão Martins delivered his letter to the King Afonso V of Portugal, in his court of Lisbon. The original of this letter was lost, but its existence is known through Toscanelli himself, who later transcribed it along with the map and sent it to Christopher Columbus, who carried them with him during his first voyage to the new world. Toscanelli had miscalculated the size of the earth which resulted in Columbus never realizing he had found a new continent.
References
*Armando Cortesão, "Cartografia Portuguesa Antiga", Lisboa, 1960.
*Armando Costesão, "História da Cartografia Portuguesa", 2 vols., Lisboa, 1969-1970.
*G. Uzielli, "La Vita e i tempi di Paolo di Pozo Toscanelli", Roma 1894.
ee also
*Voyages of Christopher Columbus
*The Pinzon Brothers
*Juan de la Cosa
External links
* [http://www.newadvent.org/cathen/14786a.htm Catholic Encyclopedia entry]
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Paolo Dal Pozzo Toscanelli — Paolo dal Pozzo Toscanelli † Catholic Encyclopedia ► Paolo dal Pozzo Toscanelli Mathematician, astronomer, and cosmographer, b. at Florence in 1397; d. there, 10 May, 1482. Toscanelli, who was one of the most distinguished scientists… … Catholic encyclopedia
Paolo dal Pozzo Toscanelli — Paolo dal Pozzo Toscanelli. Paolo dal Pozzo Toscanelli (Florencia, 1397 10 de mayo de 1482) fue un matemático, astrónomo y cosmógrafo italiano. Fue el hijo del físico Dominic Toscanelli. Aprendió matemáticas en la Universidad de Padua y se graduó … Wikipedia Español
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