GERARD OF CREMONA (c. the famous mediaeval translator, was born at Cremona. He spent most of his life at Toledo in the college of translators established by Archbishop Raymond (d. I I 51).
At an uncertain date he returned to Cremona, where he died in 1187. The most important of his Latin translations from the Arabic are the Post. Anal. (with the commentary of Themistius), the Physics, the De Caelo, the De Gen. et Corr. and the Meteor ologica (bks. 1-3) of Aristotle, the famous Liber de Causis, the Almagest of Ptolemy, the De Somno et vision, the De Intellectu and the De quinque essentiis of Alkindi, the De Syllogismo of Alfarabi, the De Crepusculis of Alhazen, the De Motu Accessionis et recessionis of Thabit, the Canon of Avicenna, the Algebra of Al-Khowarizimi, the De Sphaeris of Theodosius, the De Diffini tionibus and the De Elementis of Isaac Israeli, the Elements and the Data of Euclid, and works by Galen and Hippocrates.
See A. Jourdain, Recherches sur . . . l'origine des traductions latines d'Aristote (1843) ; Boncompagni, Della vita e delle opere di Gherardo Cremonese e di Gherardo da Sabbionetta (1851) ; L. Thorndike, Hist. of Magic, etc. (2 vols., 1923).