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George of Trebizond (1395–1472 or 1473) was a Greek philosopher and scholar, one of the pioneers of the Renaissance.
He was born on the island of Crete, and derived his surname Trapezuntius from the fact that his ancestors were from Trebizond.
At what period he came to Italy is not certain; according to some accounts he was summoned to Venice about 1430 to act as amanuensis to Francesco Barbaro, who appears to have already made his acquaintance; according to others he did not visit Italy till the time of the Council of Florence (1438–1439).
He learned Latin from Vittorino da Feltre, and made such rapid progress that in three years he was able to teach Latin literature and rhetoric. His reputation as a teacher and a translator of Aristotle was very great, and he was selected as secretary by Pope Nicholas V, an ardent Aristotelian. The needless bitterness of his attacks upon Plato (in the Comparatio Aristotelis et Platonis), which drew forth a powerful response from Basilios Bessarion, and the manifestly hurried and inaccurate character of his translations of Plato, Aristotle and other classical authors, combined to ruin his fame as a scholar, and to endanger his position as a teacher of philosophy. (Pope Pius II was among the critics of George's translations.) The indignation against George on account of his first-named work was so great that he would probably have been compelled to leave Italy had not Alfonso V of Aragon given him protection at the court of Naples.
He subsequently returned to Rome, where in 1471 he published a very successful Latin grammar based on the work of another Greek grammarian of Latin, Priscian. Additionally an earlier work on rhetoric Greek principles garnered him wide recognition, even from his former critics who admitted his brilliance and scholarship. He died in great poverty in 1486 in Rome.
Original Britannica references 
For a complete list of his numerous works, consisting of translations from Greek into Latin (Plato, Aristotle and the Fathers) and original essays in Greek (chiefly theological) and Latin (grammatical and rhetorical), see Fabricius, Bibliotheca Graeca (ed. Harles), xii.
Page from Book X of George of Trebizond's Commentary on the Almagest
. On the left, is a model of the planet Mercury, showing its closest approach to the earth; on the right, is information about Mercury and the beginning of his commentary on the planet Venus.
- Harris, Jonathan, 'Byzantines in Renaissance Italy', in Online Reference Book for Medieval Studies – http://the-orb.net/encyclop/late/laterbyz/harris-ren.html
- Monfasani, John (1976) George of Trebizond : a biography and a study of his rhetoric and logic Brill, Leiden, ISBN 90-04-04370-5
- Reject Aeneas, Accept Pius: Selected Letters of Aeneas Sylvius Piccolomini (Pope Pius II), ed. and tr. T. M. Izbicki, G. Christianson and P. Krey (Washington, DC, 2006), letter no. 61.
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press.
- Chisholm, Hugh, ed. (1911). "George of Trebizond". Encyclopædia Britannica (11th ed.). Cambridge University Press.
- Encyclopædia Britannica, 2007 ed.
Further reading 
- C.J. Classen, 'The rhetorical works of George of Trebizond and their debt to Cicero', Journal of the Warburg and Courtauld Institutes 56 (1993), 75–84
- Matthew DeCoursey, 'Continental European Rhetoricians, 1400–1600, and Their Influence in Renaissance England', British Rhetoricians and Logicians, 1500–1660, First Series, DLB 236, Detroit: Gale, 2001, pp. 309–43.
- Jonathan Harris, Greek Émigrés in the West, 1400–1520 (Camberley UK: Porphyrogenitus, 1995). ISBN 1-871328-11-X
- John Monfasani, George of Trebizond. A biography and a study of his rhetoric and logic, Leiden, Brill, 1976.
- John Monfasani, ed., Collectanea Trapezuntiana. Texts, Documents, and Bibliographies of George of Trebizond, Binghamton, NY: RSA, 1984.
- Lucia Calboli Montefusco, "Ciceronian and Hermogenean Influences on George of Trebizond's Rhetoricorum Libri V," Rhetorica 26.2 (2008): 139–164.
- N.G. Wilson, From Byzantium to Italy. Greek Studies in the Italian Renaissance, London, 1992. ISBN 0-7156-2418-0
See also