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Latin translations of the 12th century were spurred by a major search by European scholars for new learning unavailable in western Europe at the time; their search led them to areas of southern Europe, particularly in central Spain and
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
, which recently had come under Christian rule following their reconquest in the late 11th century. These areas had been under Muslim rule for a considerable time, and still had substantial Arabic-speaking populations to support their search. The combination of this accumulated knowledge and the substantial numbers of Arabic-speaking scholars there made these areas intellectually attractive, as well as culturally and politically accessible to
Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...
scholars. A typical story is that of
Gerard of Cremona Gerard of Cremona (Latin: ''Gerardus Cremonensis''; c. 1114 – 1187) was an Italian translator of scientific books from Arabic into Latin. He worked in Toledo, Kingdom of Castile and obtained the Arabic books in the libraries at Toledo. Some of ...
(c. 1114–87), who is said to have made his way to Toledo, well after its reconquest by Christians in 1085, because he Many Christian theologians were highly suspicious of ancient philosophies and especially of the attempts to synthesize them with Christian doctrines.
St. Jerome Jerome (; la, Eusebius Sophronius Hieronymus; grc-gre, Εὐσέβιος Σωφρόνιος Ἱερώνυμος; – 30 September 420), also known as Jerome of Stridon, was a Christian priest, confessor, theologian, and historian; he is com ...
, for example, was hostile to
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ph ...
, and St. Augustine had little interest in exploring philosophy, only applying logic to theology. For centuries, ancient Greek ideas in Western Europe were all but non-existent. Only a few monasteries had Greek works, and even fewer of them copied these works. There was a brief period of revival, when the Anglo-Saxon monk
Alcuin Alcuin of York (; la, Flaccus Albinus Alcuinus; 735 – 19 May 804) – also called Ealhwine, Alhwin, or Alchoin – was a scholar, clergyman, poet, and teacher from York, Northumbria. He was born around 735 and became the student o ...
and others reintroduced some Greek ideas during the Carolingian Renaissance. After
Charlemagne Charlemagne ( , ) or Charles the Great ( la, Carolus Magnus; german: Karl der Große; 2 April 747 – 28 January 814), a member of the Carolingian dynasty, was King of the Franks from 768, King of the Lombards from 774, and the first ...
's death, however, intellectual life again fell into decline. Excepting a few persons promoting
Boethius Anicius Manlius Severinus Boethius, commonly known as Boethius (; Latin: ''Boetius''; 480 – 524 AD), was a Roman senator, consul, ''magister officiorum'', historian, and philosopher of the Early Middle Ages. He was a central figure in the tr ...
, such as Gerbert of Aurillac, philosophical thought was developed little in Europe for about two centuries. By the 12th century, however, scholastic thought was beginning to develop, leading to the rise of
universities A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, ...
throughout Europe. These universities gathered what little Greek thought had been preserved over the centuries, including Boethius' commentaries on Aristotle. They also served as places of discussion for new ideas coming from new translations from Arabic throughout Europe. By the 12th century, Toledo, in Spain, had fallen from Arab hands in 1085, Sicily in 1091, and Jerusalem in 1099. The small population of the Crusader Kingdoms contributed very little to the translation efforts, though Sicily, still largely Greek-speaking, was more productive. Sicilians, however, were less influenced by Arabic than the other regions and instead are noted more for their translations directly from Greek to Latin. Spain, on the other hand, was an ideal place for translation from Arabic to Latin because of a combination of rich Latin and Arab cultures living side by side. Unlike the interest in the literature and history of
classical antiquity Classical antiquity (also the classical era, classical period or classical age) is the period of cultural history between the 8th century BC and the 5th century AD centred on the Mediterranean Sea, comprising the interlocking civilizations of ...
during the
Renaissance The Renaissance ( , ) , from , with the same meanings. is a period in European history The history of Europe is traditionally divided into four time periods: prehistoric Europe (prior to about 800 BC), classical antiquity (800 BC to AD ...
, 12th century translators sought new
scientific Science is a systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence for ...
,
philosophical Philosophy (from , ) is the systematized study of general and fundamental questions, such as those about existence, reason, knowledge, values, mind, and language. Such questions are often posed as problems to be studied or resolved. Some ...
and, to a lesser extent, religious texts. The latter concern was reflected in a renewed interest in translations of the Greek Church Fathers into
Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...
, a concern with translating Jewish teachings from
Hebrew Hebrew (; ; ) is a Northwest Semitic language of the Afroasiatic language family. Historically, it is one of the spoken languages of the Israelites and their longest-surviving descendants, the Jews and Samaritans. It was largely preserved ...
, and an interest in the
Qur'an The Quran (, ; Standard Arabic: , Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation from God. It is organized in 114 chapters (pl.: , s ...
and other Islamic religious texts. In addition, some
Arabic literature Arabic literature ( ar, الأدب العربي / ALA-LC: ''al-Adab al-‘Arabī'') is the writing, both as prose and poetry, produced by writers in the Arabic language. The Arabic word used for literature is '' Adab'', which is derived from ...
was also translated into Latin.


Translators in Italy

Just before the burst of translations in the 12th century,
Constantine the African Constantine the African ( la, Constantinus Africanus; died before 1098/1099, Monte Cassino) was a physician who lived in the 11th century. The first part of his life was spent in Ifriqiya and the rest in Italy. He first arrived in Italy in the ...
, a Christian from
Carthage Carthage was the capital city of Ancient Carthage, on the eastern side of the Lake of Tunis in what is now Tunisia. Carthage was one of the most important trading hubs of the Ancient Mediterranean and one of the most affluent cities of the cla ...
who studied medicine in
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Medit ...
and ultimately became a monk at the monastery of
Monte Cassino Monte Cassino (today usually spelled Montecassino) is a rocky hill about southeast of Rome, in the Latin Valley, Italy, west of Cassino and at an elevation of . Site of the Roman town of Casinum, it is widely known for its abbey, the first ho ...
in Italy, translated medical works from Arabic. Constantine's many translations included
Ali ibn Abbas al-Majusi 'Ali ibn al-'Abbas al-Majusi ( fa, علی بن عباس مجوسی; died between 982 and 994), also known as Masoudi, or Latinisation (literature), Latinized as Haly Abbas, was a Persian people, Persian physician and psychologist from the Islami ...
's medical encyclopedia '' The Complete Book of the Medical Art'' (as ''Liber pantegni''),Bieber, Jerome B
Medieval Translation Table 2: Arabic Sources
, Santa Fe Community College.
the ancient medicine of
Hippocrates Hippocrates of Kos (; grc-gre, Ἱπποκράτης ὁ Κῷος, Hippokrátēs ho Kôios; ), also known as Hippocrates II, was a Greek physician of the classical period who is considered one of the most outstanding figures in the history o ...
and
Galen Aelius Galenus or Claudius Galenus ( el, Κλαύδιος Γαληνός; September 129 – c. AD 216), often Anglicized as Galen () or Galen of Pergamon, was a Greek physician, surgeon and philosopher in the Roman Empire. Considered to be one ...
as adapted by Arabic physicians, and the ''Isagoge ad Tegni Galeni''. by
Hunayn ibn Ishaq Hunayn ibn Ishaq al-Ibadi (also Hunain or Hunein) ( ar, أبو زيد حنين بن إسحاق العبادي; (809–873) was an influential Nestorian Christian translator, scholar, physician, and scientist. During the apex of the Islamic ...
(Johannitius) and his nephew Hubaysh ibn al-Hasan. Other medical works he translated include
Isaac Israeli ben Solomon Isaac Israeli ben Solomon (Hebrew: יצחק בן שלמה הישראלי, ''Yitzhak ben Shlomo ha-Yisraeli''; Arabic: أبو يعقوب إسحاق بن سليمان الإسرائيلي, ''Abu Ya'qub Ishaq ibn Suleiman al-Isra'ili'') ( 832 &ndas ...
's ''Liber febribus, Liber de dietis universalibus et particularibus'' and ''Liber de urinis''; Ishaq ibn Imran's psychological work ''al-Maqala fi al-Malikhukiya'' as ''De melancolia''; and
Ibn Al-Jazzar Ahmed Bin Jaafar Bin Brahim Ibn Al Jazzar Al-Qayrawani (895–979) ( ar, أبو جعفر أحمد بن أبي خالد بن الجزار القيرواني), was an influential 10th-century Muslim Arab physician who became famous for his writings o ...
's ''
De Gradibus ''De Gradibus'' was an Arabic book published by the Arab physician Al-Kindi (c. 801–873 CE). ''De gradibus'' is the Latinized name of the book. An alternative name for the book was ''Quia Primos''.p. 19"Al-Kindi, A Precursor Of The Scientific Re ...
, Viaticum, Liber de stomacho, De elephantiasi, De coitu'' and ''De oblivione''.
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
had been part of the Byzantine Empire until 878, was under Muslim control from 878–1060, and came under Norman control between 1060 and 1090. As a consequence the Norman Kingdom of Sicily maintained a trilingual bureaucracy, which made it an ideal place for translations. Sicily also maintained relations with the
Greek East Greek East and Latin West are terms used to distinguish between the two parts of the Greco-Roman world and of Medieval Christendom, specifically the eastern regions where Greek was the ''lingua franca'' (Greece, Anatolia, the southern Balkans, the ...
, which allowed for exchange of ideas and manuscripts. A copy of
Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importance ...
's '' Almagest'' was brought back to Sicily by Henry Aristippus, as a gift from the Emperor to King William I. Aristippus, himself, translated
Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...
's ''
Meno ''Meno'' (; grc-gre, Μένων, ''Ménōn'') is a Socratic dialogue by Plato. Meno begins the dialogue by asking Socrates whether virtue is taught, acquired by practice, or comes by nature. In order to determine whether virtue is teachabl ...
'' and ''
Phaedo ''Phædo'' or ''Phaedo'' (; el, Φαίδων, ''Phaidōn'' ), also known to ancient readers as ''On The Soul'', is one of the best-known dialogues of Plato's middle period, along with the '' Republic'' and the '' Symposium.'' The philosophica ...
'' into Latin, but it was left to an anonymous student at Salerno to travel to Sicily and translate the ''Almagest'', as well as several works by
Euclid Euclid (; grc-gre, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the '' Elements'' treatise, which established the foundations of ...
, from Greek to Latin. Although the Sicilians generally translated directly from the Greek, when Greek texts were not available, they would translate from Arabic. Admiral Eugene of Sicily translated Ptolemy's ''
Optics Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultrav ...
'' into Latin, drawing on his knowledge of all three languages in the task. Accursius of
Pistoja Pistoia (, is a city and ''comune'' in the Italian region of Tuscany, the capital of a province of the same name, located about west and north of Florence and is crossed by the Ombrone Pistoiese, a tributary of the River Arno. It is a typ ...
's translations included the works of
Galen Aelius Galenus or Claudius Galenus ( el, Κλαύδιος Γαληνός; September 129 – c. AD 216), often Anglicized as Galen () or Galen of Pergamon, was a Greek physician, surgeon and philosopher in the Roman Empire. Considered to be one ...
and
Hunayn ibn Ishaq Hunayn ibn Ishaq al-Ibadi (also Hunain or Hunein) ( ar, أبو زيد حنين بن إسحاق العبادي; (809–873) was an influential Nestorian Christian translator, scholar, physician, and scientist. During the apex of the Islamic ...
. Gerard de Sabloneta translated Avicenna's ''
The Canon of Medicine ''The Canon of Medicine'' ( ar, القانون في الطب, italic=yes ''al-Qānūn fī al-Ṭibb''; fa, قانون در طب, italic=yes, ''Qanun-e dâr Tâb'') is an encyclopedia of medicine in five books compiled by Persian physician-phi ...
'' and al-Razi's ''Almansor''.
Fibonacci Fibonacci (; also , ; – ), also known as Leonardo Bonacci, Leonardo of Pisa, or Leonardo Bigollo Pisano ('Leonardo the Traveller from Pisa'), was an Italian mathematician from the Republic of Pisa, considered to be "the most talented Wester ...
presented the first complete European account of the
Hindu–Arabic numeral system The Hindu–Arabic numeral system or Indo-Arabic numeral system Audun HolmeGeometry: Our Cultural Heritage 2000 (also called the Hindu numeral system or Arabic numeral system) is a positional decimal numeral system, and is the most common syste ...
from Arabic sources in his ''
Liber Abaci ''Liber Abaci'' (also spelled as ''Liber Abbaci''; "The Book of Calculation") is a historic 1202 Latin manuscript on arithmetic by Leonardo of Pisa, posthumously known as Fibonacci. ''Liber Abaci'' was among the first Western books to describe ...
'' (1202). The ''Aphorismi'' by
Masawaiyh Yuhanna ibn Masawaih (circa 777–857), ( ar, يوحنا بن ماسويه), also written Ibn Masawaih, Masawaiyh, and in Latin Janus Damascenus, or Mesue, Masuya, Mesue Major, Msuya, and Mesuë the Elder was a Persian or Assyrian East Syriac ...
(Mesue) was translated by an anonymous translator in late 11th or early 12th century Italy..
James of Venice James of Venice was a Catholic cleric and significant translator of Aristotle of the twelfth century. He has been called "the first systematic translator of Aristotle since Boethius." Not much is otherwise known about him. He was active in particu ...
, who probably spent some years in Constantinople, translated Aristotle's '' Posterior Analytics'' from Greek into Latin in the mid-12th century, thus making the complete Aristotelian logical corpus, the ''
Organon The ''Organon'' ( grc, Ὄργανον, meaning "instrument, tool, organ") is the standard collection of Aristotle's six works on logical analysis and dialectic. The name ''Organon'' was given by Aristotle's followers, the Peripatetics. The six ...
'', available in Latin for the first time. In 13th century
Padua Padua ( ; it, Padova ; vec, Pàdova) is a city and ''comune'' in Veneto, northern Italy. Padua is on the river Bacchiglione, west of Venice. It is the capital of the province of Padua. It is also the economic and communications hub of the ...
, Bonacosa translated
Averroes Ibn Rushd ( ar, ; full name in ; 14 April 112611 December 1198), often Latinized as Averroes ( ), was an Andalusian polymath and jurist who wrote about many subjects, including philosophy, theology, medicine, astronomy, physics, psy ...
' medical work ''Kitab al-Kulliyyat'' as ''Colliget'',. and John of Capua translated the ''Kitab al-Taysir'' by
Ibn Zuhr Abū Marwān ‘Abd al-Malik ibn Zuhr ( ar, أبو مروان عبد الملك بن زهر), traditionally known by his Latinized name Avenzoar (; 1094–1162), was an Arab physician, surgeon, and poet. He was born at Seville in medieval And ...
(Avenzoar) as ''Theisir''. In 13th century
Sicily (man) it, Siciliana (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = Ethnicity , demographics1_footnotes = , demographi ...
, Faraj ben Salem translated
Rhazes Abū Bakr al-Rāzī (full name: ar, أبو بکر محمد بن زکریاء الرازي, translit=Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī, label=none), () rather than ar, زکریاء, label=none (), as for example in , or in . In m ...
' ''al-Hawi'' as ''Continens'' as well as
Ibn Butlan Abū 'l-Ḥasan al-Muḫtār Yuwānnīs ibn al-Ḥasan ibn ʿAbdūn ibn Saʿdūn ibn Buṭlān ( ar, أبو الحسن المختار إيوانيس بن الحسن بن عبدون بن سعدون بن بطلان; ; ca. first quarter of the 11t ...
's ''
Tacuinum sanitatis ''Taqwīm aṣ‑Ṣiḥḥa'' ( ''Maintenance of Health'') is originally an 11th-century Arab medical treatise by Ibn Butlan of Baghdad. In the West, the work is known by the Latinized name taken by its translations: ''Tacuinum'' (sometimes '' ...
''. Also in 13th century Italy, Simon of
Genoa Genoa ( ; it, Genova ; lij, Zêna ). is the capital of the Italian region of Liguria and the sixth-largest city in Italy. In 2015, 594,733 people lived within the city's administrative limits. As of the 2011 Italian census, the Province of ...
and Abraham Tortuensis translated
Abulcasis Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari ( ar, أبو القاسم خلف بن العباس الزهراوي;‎ 936–1013), popularly known as al-Zahrawi (), Latinised as Albucasis (from Arabic ''Abū al-Qāsim''), was ...
' '' Al-Tasrif'' as ''Liber servitoris'', Alcoati's ''Congregatio sive liber de oculis'', and the ''Liber de simplicibus medicinis'' by a pseudo-Serapion.


Translators on the Spanish frontier

As early as the end of the 10th century, European scholars travelled to Spain to study. Most notable among these was Gerbert of Aurillac (later Pope Sylvester II) who studied mathematics in the region of the Spanish March around
Barcelona Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within ci ...
. Translations, however, did not begin in Spain until after 1085 when Toledo was reconquered by Christians. The early translators in Spain focused heavily on
scientific works : ''For a broader class of literature, see Academic publishing.'' Scientific literature comprises scholarly publications that report original empirical and theoretical work in the natural and social sciences. Within an academic field, scienti ...
, especially mathematics and
astronomy Astronomy () is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, g ...
, with a second area of interest including the
Qur'an The Quran (, ; Standard Arabic: , Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation from God. It is organized in 114 chapters (pl.: , s ...
and other Islamic texts. Spanish collections included many scholarly works written in Arabic, so translators worked almost exclusively from Arabic, rather than Greek texts, often in cooperation with a local speaker of Arabic. One of the more important translation projects was sponsored by Peter the Venerable, the
abbot Abbot is an ecclesiastical title given to the male head of a monastery in various Western religious traditions, including Christianity. The office may also be given as an honorary title to a clergyman who is not the head of a monastery. The ...
of
Cluny Cluny () is a commune in the eastern French department of Saône-et-Loire, in the region of Bourgogne-Franche-Comté. It is northwest of Mâcon. The town grew up around the Benedictine Abbey of Cluny, founded by Duke William I of Aquitaine in ...
. In 1142 he called upon
Robert of Ketton Robert of Ketton, known in Latin as Rodbertus Ketenensis ( 1141–1157), was an English astronomer, translator, priest and diplomat active in Spain. He translated several works of Arabic into Latin, including the first translation of the Quran int ...
and
Herman of Carinthia Herman of Carinthia (1105/1110 – after 1154), also called Hermanus Dalmata or Sclavus Dalmata, Secundus, by his own words born in the "heart of Istria", was a philosopher, astronomer, astrologer, mathematician and translator of Arabic works ...
,
Peter of Poitiers Peter of Poitiers (Latin: ''Petrus Pictaviensis'') was a French scholastic theologian, born at Poitiers or in its neighbourhood about 1130. He died in Paris, probably in 1215. Life He studied at the University of Paris, where he became profess ...
, and a Muslim known only as "Mohammed" to produce the first Latin translation of the Qur'an (the '' Lex Mahumet pseudoprophete''). Translations were produced throughout Spain and
Provence Provence (, , , , ; oc, Provença or ''Prouvènço'' , ) is a geographical region and historical province of southeastern France, which extends from the left bank of the lower Rhône to the west to the Italian border to the east; it is bor ...
. Plato of Tivoli worked in
Catalonia Catalonia (; ca, Catalunya ; Aranese Occitan: ''Catalonha'' ; es, Cataluña ) is an autonomous community of Spain, designated as a '' nationality'' by its Statute of Autonomy. Most of the territory (except the Val d'Aran) lies on the nort ...
, Herman of Carinthia in Northern Spain and across the
Pyrenees The Pyrenees (; es, Pirineos ; french: Pyrénées ; ca, Pirineu ; eu, Pirinioak ; oc, Pirenèus ; an, Pirineus) is a mountain range straddling the border of France and Spain. It extends nearly from its union with the Cantabrian Mountains to ...
in
Languedoc The Province of Languedoc (; , ; oc, Lengadòc ) is a former province of France. Most of its territory is now contained in the modern-day region of Occitanie in Southern France. Its capital city was Toulouse. It had an area of approximately ...
, Hugh of Santalla in Aragon, Robert of Ketton in Navarre and Robert of Chester in
Segovia Segovia ( , , ) is a city in the autonomous community of Castile and León, Spain. It is the capital and most populated municipality of the Province of Segovia. Segovia is in the Inner Plateau ('' Meseta central''), near the northern slopes of t ...
. The most important center of translation was the great cathedral library of Toledo. Plato of Tivoli's translations into Latin include
al-Battani Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī aṣ-Ṣābiʾ al-Battānī ( ar, محمد بن جابر بن سنان البتاني) ( Latinized as Albategnius, Albategni or Albatenius) (c. 858 – 929) was an astron ...
's astronomical and trigonometrical work ''De motu stellarum'',
Abraham bar Hiyya Abraham bar Ḥiyya ha-Nasi (; – 1136 or 1145), also known as Abraham Savasorda, Abraham Albargeloni, and Abraham Judaeus, was a Catalan Jewish mathematician, astronomer and philosopher who resided in Barcelona. Bar Ḥiyya was active in tra ...
's ''Liber embadorum'',
Theodosius of Bithynia Theodosius of Bithynia ( grc-gre, Θεοδόσιος; c. 169 BCc. 100 BC) was a Greek astronomer and mathematician who wrote the ''Sphaerics'', a book on the geometry of the sphere. Life Born in Tripolis, in Bithynia, Theodosius was m ...
's ''Spherica'', and Archimedes' ''
Measurement of a Circle ''Measurement of a Circle'' or ''Dimension of the Circle'' (Greek: , ''Kuklou metrēsis'') is a treatise that consists of three propositions by Archimedes, ca. 250 BCE. The treatise is only a fraction of what was a longer work. Propositions Prop ...
''. Robert of Chester's translations into Latin included
al-Khwarizmi Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronom ...
's ''
Algebra Algebra () is one of the broad areas of mathematics. Roughly speaking, algebra is the study of mathematical symbols and the rules for manipulating these symbols in formulas; it is a unifying thread of almost all of mathematics. Elementary ...
'' and astronomical tables (also containing trigonometric tables). Abraham of
Tortosa Tortosa (; ) is the capital of the '' comarca'' of Baix Ebre, in Catalonia, Spain. Tortosa is located at above sea level, by the Ebro river, protected on its northern side by the mountains of the Cardó Massif, of which Buinaca, one of the hig ...
's translations include Ibn Sarabi's ( Serapion Junior) ''De Simplicibus'' and
Abulcasis Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari ( ar, أبو القاسم خلف بن العباس الزهراوي;‎ 936–1013), popularly known as al-Zahrawi (), Latinised as Albucasis (from Arabic ''Abū al-Qāsim''), was ...
' '' Al-Tasrif'' as ''Liber Servitoris''. In 1126, Muhammad al-Fazari's ''Great Sindhind'' (based on the
Sanskrit Sanskrit (; attributively , ; nominally , , ) is a classical language belonging to the Indo-Aryan branch of the Indo-European languages. It arose in South Asia after its predecessor languages had diffused there from the northwest in the late ...
works of '' Surya Siddhanta'' and Brahmagupta's '' Brahmasphutasiddhanta'') was translated into Latin. In addition to philosophical and scientific literature, the Jewish writer
Petrus Alphonsi Petrus Alphonsi (died after 1116) was a Jewish Spanish physician, writer, astronomer and polemicist who converted to Christianity in 1106. He is also known just as Alphonsi, and as Peter Alfonsi or Peter Alphonso, and was born Moses Sephardi. ...
translated a collection of 33 tales from
Arabic literature Arabic literature ( ar, الأدب العربي / ALA-LC: ''al-Adab al-‘Arabī'') is the writing, both as prose and poetry, produced by writers in the Arabic language. The Arabic word used for literature is '' Adab'', which is derived from ...
into
Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...
. Some of the tales he drew on were from the '' Panchatantra'' and '' Arabian Nights'', such as the story cycle of "
Sinbad the Sailor Sinbad the Sailor (; ar, سندباد البحري, Sindibādu al-Bahriyy; fa, سُنباد بحری, Sonbād-e Bahri or Sindbad) is a fictional mariner and the hero of a story-cycle of Persian origin. He is described as hailing from Baghdad ...
".


The Toledo School of Translators

Toledo, with a large population of Arabic-speaking Christians (
Mozarabs The Mozarabs ( es, mozárabes ; pt, moçárabes ; ca, mossàrabs ; from ar, مستعرب, musta‘rab, lit=Arabized) is a modern historical term for the Iberian Christians, including Christianized Iberian Jews, who lived under Muslim rule in A ...
) had been an important center of learning since as early as the end of the 10th century, when European scholars traveled to Spain to study subjects that were not readily available in the rest of Europe. Among the early translators at Toledo were an Avendauth (who some have identified with
Abraham ibn Daud Abraham ibn Daud ( he, אַבְרָהָם בֵּן דָּוִד הַלֵּוִי אִבְּן דָּאוּד; ar, ابراهيم بن داود) was a Spanish-Jewish astronomer, historian, and philosopher; born at Córdoba, Spain about 1110; die ...
), who translated Avicenna's encyclopedia, the '' Kitāb al-Shifa'' (''The Book of Healing''), in cooperation with Domingo Gundisalvo, Archdeacon of Cuéllar. The translating efforts at Toledo are often overemphasized into a “school of translation,” however the representation of Toledo translating activity creates a false sense that a formal school arose around the Archbishop Raymond. Only one translation, by
John of Seville John of Seville ( Latin: ''Johannes Hispalensis'' or ''Johannes Hispaniensis'') ( fl. 1133-53) was one of the main translators from Arabic into Castilian in partnership with Dominicus Gundissalinus during the early days of the Toledo School of Tr ...
, can be definitively dedicated to the archbishop. It is more accurate to consider Toledo as a geographically bilingual environment where local interests were favorable to translation efforts, making it a practical and appealing location for translators to work. As a result, many translators became active in the area and Toledo became the focus of translating activity. However translating efforts were not properly organized until Toledo was reconquered by the Christian forces in 1085. Raymond of Toledo started the first translation efforts at the library of the
Cathedral of Toledo , native_name_lang = , image = Toledo Cathedral, from Plaza del Ayuntamiento.jpg , imagesize = 300px , imagelink = , imagealt = , landscape = , caption ...
, where he led a team of translators that included Mozarabic Toledans, Jewish scholars, Madrasah teachers and monks from the
Order of Cluny Cluny Abbey (; , formerly also ''Cluni'' or ''Clugny''; ) is a former Benedictine monastery in Cluny, Saône-et-Loire, France. It was dedicated to Saint Peter. The abbey was constructed in the Romanesque architectural style, with three churche ...
. They worked in the translation of many works from Arabic into Castilian, from Castilian into Latin, or directly from Arabic into Latin or Greek, and also made available important texts from Arabic and Hebrew philosophers who the Archbishop deemed important for an understanding of
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ph ...
. As a result of their activities, the cathedral became a translations center known as the ''Escuela de Traductores de Toledo'' (
Toledo School of Translators The Toledo School of Translators ( es, Escuela de Traductores de Toledo) is the group of scholars who worked together in the city of Toledo during the 12th and 13th centuries, to translate many of the Judeo-Islamic philosophies and scientific w ...
), which was on a scale and importance not matched in the history of western culture. The most productive of the Toledo translators at that time was
Gerard of Cremona Gerard of Cremona (Latin: ''Gerardus Cremonensis''; c. 1114 – 1187) was an Italian translator of scientific books from Arabic into Latin. He worked in Toledo, Kingdom of Castile and obtained the Arabic books in the libraries at Toledo. Some of ...
, who translated 87 books, including
Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importance ...
's '' Almagest'', many of the works of
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ph ...
, including his Posterior Analytics,
Physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
, On the Heavens and the World,
On Generation and Corruption ''On Generation and Corruption'' ( grc, Περὶ γενέσεως καὶ φθορᾶς; la, De Generatione et Corruptione), also known as ''On Coming to Be and Passing Away'' is a treatise by Aristotle. Like many of his texts, it is both scie ...
, and
Meteorology Meteorology is a branch of the atmospheric sciences (which include atmospheric chemistry and physics) with a major focus on weather forecasting. The study of meteorology dates back millennia, though significant progress in meteorology did no ...
,
al-Khwarizmi Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronom ...
's '' On Algebra and Almucabala'', Archimedes' '' On the Measurement of the Circle'',
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ph ...
,
Euclid Euclid (; grc-gre, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the '' Elements'' treatise, which established the foundations of ...
's ''
Elements of Geometry The ''Elements'' ( grc, Στοιχεῖα ''Stoikheîa'') is a mathematical treatise consisting of 13 books attributed to the ancient Greek mathematician Euclid in Alexandria, Ptolemaic Egypt 300 BC. It is a collection of definitions, postulate ...
'', Jabir ibn Aflah's ''Elementa astronomica'',
Al-Kindi Abū Yūsuf Yaʻqūb ibn ʼIsḥāq aṣ-Ṣabbāḥ al-Kindī (; ar, أبو يوسف يعقوب بن إسحاق الصبّاح الكندي; la, Alkindus; c. 801–873 AD) was an Arab Muslim philosopher, polymath, mathematician, physician ...
's ''On Optics'',
al-Farghani Abū al-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī ( ar, أبو العبّاس أحمد بن محمد بن كثير الفرغاني 798/800/805–870), also known as Alfraganus in the West, was an astronomer in the Abbasid court ...
's ''On Elements of Astronomy on the Celestial Motions'',
al-Farabi Abu Nasr Muhammad Al-Farabi ( fa, ابونصر محمد فارابی), ( ar, أبو نصر محمد الفارابي), known in the West as Alpharabius; (c. 872 – between 14 December, 950 and 12 January, 951)PDF version was a renowned early Isl ...
's ''On the Classification of the Sciences'', the
chemical A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., w ...
and
medical Medicine is the science and practice of caring for a patient, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care practic ...
works of al-Razi (Rhazes), the works of
Thabit ibn Qurra Thabit ( ar, ) is an Arabic name for males that means "the imperturbable one". It is sometimes spelled Thabet. People with the patronymic * Ibn Thabit, Libyan hip-hop musician * Asim ibn Thabit, companion of Muhammad * Hassan ibn Sabit (died 674 ...
and
Hunayn ibn Ishaq Hunayn ibn Ishaq al-Ibadi (also Hunain or Hunein) ( ar, أبو زيد حنين بن إسحاق العبادي; (809–873) was an influential Nestorian Christian translator, scholar, physician, and scientist. During the apex of the Islamic ...
, and the works of al-Zarkali, Jabir ibn Aflah, the
Banu Musa Banu or BANU may refer to: * Banu (name) * Banu (Arabic), Arabic word for "the sons of" or "children of" * Banu (makeup artist), an Indian makeup artist * Banu Chichek, a character in the ''Book of Dede Korkut'' * Bulgarian Agrarian National ...
,
Abu Kamil Abū Kāmil Shujāʿ ibn Aslam ibn Muḥammad Ibn Shujāʿ ( Latinized as Auoquamel, ar, أبو كامل شجاع بن أسلم بن محمد بن شجاع, also known as ''Al-ḥāsib al-miṣrī''—lit. "the Egyptian reckoner") (c. 850 – ...
,
Abu al-Qasim al-Zahrawi Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari ( ar, أبو القاسم خلف بن العباس الزهراوي;‎ 936–1013), popularly known as al-Zahrawi (), Latinised as Albucasis (from Arabic ''Abū al-Qāsim''), was ...
, and
Ibn al-Haytham Ḥasan Ibn al-Haytham, Latinized as Alhazen (; full name ; ), was a medieval mathematician, astronomer, and physicist of the Islamic Golden Age from present-day Iraq.For the description of his main fields, see e.g. ("He is one of the pri ...
(but not including the '' Book of Optics'', because the catalog of the works of Gerard of Cremona does not list that title; however the Risner compilation of ''Opticae Thesaurus Septem Libri'' also includes a work by Witelo and also ''de Crepusculis'', which Risner incorrectly attributed to Alhacen, and which ''was'' translated by Gerard of Cremona). The medical works he translated include
Haly Abenrudian Abu'l Hassan Ali ibn Ridwan Al-Misri () (c. 988 - c. 1061) was an Arab of Egyptian origin who was a physician, astrologer and astronomer, born in Giza. He was a commentator on ancient Greek medicine, and in particular on Galen; his commentar ...
's ''Expositio ad Tegni Galeni''; the ''Practica, Brevarium medicine'' by Yuhanna ibn Sarabiyun (Serapion); Alkindus' ''
De Gradibus ''De Gradibus'' was an Arabic book published by the Arab physician Al-Kindi (c. 801–873 CE). ''De gradibus'' is the Latinized name of the book. An alternative name for the book was ''Quia Primos''.p. 19"Al-Kindi, A Precursor Of The Scientific Re ...
'';
Rhazes Abū Bakr al-Rāzī (full name: ar, أبو بکر محمد بن زکریاء الرازي, translit=Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī, label=none), () rather than ar, زکریاء, label=none (), as for example in , or in . In m ...
' ''Liber ad Almansorem, Liber divisionum, Introductio in medicinam, De egritudinibus iuncturarum, Antidotarium'' and ''Practica puerorum'';
Isaac Israeli ben Solomon Isaac Israeli ben Solomon (Hebrew: יצחק בן שלמה הישראלי, ''Yitzhak ben Shlomo ha-Yisraeli''; Arabic: أبو يعقوب إسحاق بن سليمان الإسرائيلي, ''Abu Ya'qub Ishaq ibn Suleiman al-Isra'ili'') ( 832 &ndas ...
's ''De elementis'' and ''De definitionibus'';
Abulcasis Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari ( ar, أبو القاسم خلف بن العباس الزهراوي;‎ 936–1013), popularly known as al-Zahrawi (), Latinised as Albucasis (from Arabic ''Abū al-Qāsim''), was ...
' '' Al-Tasrif'' as ''Chirurgia''; Avicenna's ''
The Canon of Medicine ''The Canon of Medicine'' ( ar, القانون في الطب, italic=yes ''al-Qānūn fī al-Ṭibb''; fa, قانون در طب, italic=yes, ''Qanun-e dâr Tâb'') is an encyclopedia of medicine in five books compiled by Persian physician-phi ...
'' as ''Liber Canonis''; and the ''Liber de medicamentis simplicus'' by Ibn Wafid ( Abenguefit). At the close of the 12th and the beginning of the 13th centuries, Mark of Toledo translated the
Qur'an The Quran (, ; Standard Arabic: , Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation from God. It is organized in 114 chapters (pl.: , s ...
(once again) and various medical works. He also translated
Hunayn ibn Ishaq Hunayn ibn Ishaq al-Ibadi (also Hunain or Hunein) ( ar, أبو زيد حنين بن إسحاق العبادي; (809–873) was an influential Nestorian Christian translator, scholar, physician, and scientist. During the apex of the Islamic ...
's medical work ''Liber isagogarum''. Under King
Alfonso X of Castile Alfonso X (also known as the Wise, es, el Sabio; 23 November 1221 – 4 April 1284) was King of Castile, León and Galicia from 30 May 1252 until his death in 1284. During the election of 1257, a dissident faction chose him to be king of Ger ...
, Toledo rose even higher in importance as a translation center. By insisting that the translated output was "llanos de entender" ("easy to understand"), they reached a much wider audience both within Spain and in other European countries, as many scholars from places like Italy, Germany, England or the Netherlands, who had moved to Toledo in order to translate medical, religious, classical and philosophical texts, brought back to their countries the acquired knowledge. Others were selected and hired with very high salaries by the King himself from many places in Spain, like Seville or Córdoba and foreign places like Gascony or Paris.
Michael Scot Michael Scot (Latin: Michael Scotus; 1175 – ) was a Scottish mathematician and scholar in the Middle Ages. He was educated at Oxford and Paris, and worked in Bologna and Toledo, where he learned Arabic. His patron was Frederick II of the H ...
(c. 1175–1232) translated the works of al-Betrugi (Alpetragius) in 1217,
al-Bitruji Nur ad-Din al-Bitruji () (also spelled Nur al-Din Ibn Ishaq al-Betrugi and Abu Ishâk ibn al-Bitrogi) (known in the West by the Latinized name of Alpetragius) (died c. 1204) was an Iberian-Arab astronomer and a Qadi in al-Andalus. Al-Biṭrūjī ...
's ''On the Motions of the Heavens'', and
Averroes Ibn Rushd ( ar, ; full name in ; 14 April 112611 December 1198), often Latinized as Averroes ( ), was an Andalusian polymath and jurist who wrote about many subjects, including philosophy, theology, medicine, astronomy, physics, psy ...
' influential commentaries on the scientific works of
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ph ...
.


Later translators

David the Jew (c. 1228–1245) translated the works of al-Razi (Rhazes) into Latin.
Arnaldus de Villa Nova Arnaldus de Villa Nova (also called Arnau de Vilanova in Catalan, his language, Arnaldus Villanovanus, Arnaud de Ville-Neuve or Arnaldo de Villanueva, c. 1240–1311) was a physician and a religious reformer. He was also thought to be an alchem ...
's (1235–1313) translations include the works of
Galen Aelius Galenus or Claudius Galenus ( el, Κλαύδιος Γαληνός; September 129 – c. AD 216), often Anglicized as Galen () or Galen of Pergamon, was a Greek physician, surgeon and philosopher in the Roman Empire. Considered to be one ...
and Avicenna (including his ''Maqala fi Ahkam al-adwiya al-qalbiya'' as ''De viribus cordis''), the ''De medicinis simplicibus'' by
Abu al-Salt Abū aṣ‐Ṣalt Umayya ibn ʿAbd al‐ʿAzīz ibn Abī aṣ‐Ṣalt ad‐Dānī al‐Andalusī () (October 23, 1134), known in Latin as Albuzale, was an Andalusian-Arab polymath who wrote about pharmacology, geometry, Aristotelian physics, a ...
(Albuzali), and Costa ben Luca's ''De physicis ligaturis''. In 13th century Portugal,
Giles of Santarém Giles of Santarém (Gil) (about 1185 – 14 May 1265) was a Portuguese Dominican scholar. Life He was born Gil Rodrigues de Valadares at the castle of Vouzela. His father, Rui Pais de Valadares, was alcaide of Coimbra and councillor of Sanc ...
translated
Rhazes Abū Bakr al-Rāzī (full name: ar, أبو بکر محمد بن زکریاء الرازي, translit=Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī, label=none), () rather than ar, زکریاء, label=none (), as for example in , or in . In m ...
' ''De secretis medicine, Aphorismi Rasis'' and Mesue's ''De secretis medicine''. In
Murcia Murcia (, , ) is a city in south-eastern Spain, the capital and most populous city of the autonomous community of the Region of Murcia, and the seventh largest city in the country. It has a population of 460,349 inhabitants in 2021 (about one ...
, Rufin of
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandri ...
translated the ''Liber questionum medicinalium discentium in medicina'' by
Hunayn ibn Ishaq Hunayn ibn Ishaq al-Ibadi (also Hunain or Hunein) ( ar, أبو زيد حنين بن إسحاق العبادي; (809–873) was an influential Nestorian Christian translator, scholar, physician, and scientist. During the apex of the Islamic ...
(Hunen), and Dominicus Marrochinus translated the ''Epistola de cognitione infirmatum oculorum'' by Ali Ibn Isa (Jesu Haly). In 14th century Lerida, John Jacobi translated Alcoati's medical work ''Liber de la figura del uyl'' into Catalan and then Latin. Willem van Moerbeke, known in the English speaking world as
William of Moerbeke William of Moerbeke, O.P. ( nl, Willem van Moerbeke; la, Guillelmus de Morbeka; 1215–35 – 1286), was a prolific medieval translator of philosophical, medical, and scientific texts from Greek language into Latin, enabled by the period ...
(c. 1215–1286) was a prolific medieval translator of philosophical, medical, and scientific texts from Greek into Latin. At the request of Aquinas, so it is assumed—the source document is not clear—he undertook a complete translation of the works of
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ph ...
or, for some portions, a revision of existing translations. He was the first translator of the ''Politics'' (c. 1260) from Greek into Latin. The reason for the request was that the many copies of Aristotle in Latin then in circulation had originated in Spain (see
Gerard of Cremona Gerard of Cremona (Latin: ''Gerardus Cremonensis''; c. 1114 – 1187) was an Italian translator of scientific books from Arabic into Latin. He worked in Toledo, Kingdom of Castile and obtained the Arabic books in the libraries at Toledo. Some of ...
). These earlier translations were assumed to have been influenced by the rationalist
Averroes Ibn Rushd ( ar, ; full name in ; 14 April 112611 December 1198), often Latinized as Averroes ( ), was an Andalusian polymath and jurist who wrote about many subjects, including philosophy, theology, medicine, astronomy, physics, psy ...
, who was suspected of being a source of philosophical and theological errors found in the earlier translations of Aristotle. Moerbeke's translations have had a long history; they were already standard classics by the 14th century, when Henricus Hervodius put his finger on their enduring value: they were literal (''de verbo in verbo''), faithful to the spirit of Aristotle and ''without elegance.'' For several of William's translations, the Greek texts have since disappeared: without him the works would be lost. William also translated mathematical treatises by
Hero of Alexandria Hero of Alexandria (; grc-gre, Ἥρων ὁ Ἀλεξανδρεύς, ''Heron ho Alexandreus'', also known as Heron of Alexandria ; 60 AD) was a Greek mathematician and engineer who was active in his native city of Alexandria, Roman Egypt. He ...
and Archimedes. Especially important was his translation of the ''Theological Elements'' of Proclus (made in 1268), because the ''Theological Elements'' is one of the fundamental sources of the revived Neo-Platonic philosophical currents of the 13th century. The
Vatican Vatican may refer to: Vatican City, the city-state ruled by the pope in Rome, including St. Peter's Basilica, Sistine Chapel, Vatican Museum The Holy See * The Holy See, the governing body of the Catholic Church and sovereign entity recognized ...
collection holds William's own copy of the translation he made of the greatest
Hellenistic In Classical antiquity, the Hellenistic period covers the time in Mediterranean history after Classical Greece, between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire, as signified by the Battle of Actium in ...
mathematician, Archimedes, with commentaries of
Eutocius Eutocius of Ascalon (; el, Εὐτόκιος ὁ Ἀσκαλωνίτης; 480s – 520s) was a Palestinian-Greek mathematician who wrote commentaries on several Archimedean treatises and on the Apollonian ''Conics''. Life and work Little is ...
, which was made in 1269 at the papal court in Viterbo. William consulted two of the best Greek manuscripts of Archimedes, both of which have since disappeared.


Other European translators

Adelard of Bath's ( fl. 1116–1142) translations into Latin included
al-Khwarizmi Muḥammad ibn Mūsā al-Khwārizmī ( ar, محمد بن موسى الخوارزمي, Muḥammad ibn Musā al-Khwārazmi; ), or al-Khwarizmi, was a Persian polymath from Khwarazm, who produced vastly influential works in mathematics, astronom ...
's astronomical and trigonometrical work ''Astronomical tables'' and his arithmetical work ''Liber ysagogarum Alchorismi'', the ''Introduction to Astrology'' of Abu Ma'shar, as well as Euclid's ''Elements''. Adelard associated with other scholars in Western England such as
Peter Alfonsi Petrus Alphonsi (died after 1116) was a Jewish Spanish physician, writer, astronomer and polemicist who converted to Christianity in 1106. He is also known just as Alphonsi, and as Peter Alfonsi or Peter Alphonso, and was born Moses Sephardi. ...
and
Walcher of Malvern Walcher of Malvern (died 1135) (also known as Walcher of Lorraine) was the second Prior of Great Malvern Priory in Worcestershire, England, and a noted astronomer, astrologer and mathematician. He has been described as an important transitional f ...
who translated and developed the astronomical concepts brought from Spain.
Abu Kamil Abū Kāmil Shujāʿ ibn Aslam ibn Muḥammad Ibn Shujāʿ ( Latinized as Auoquamel, ar, أبو كامل شجاع بن أسلم بن محمد بن شجاع, also known as ''Al-ḥāsib al-miṣrī''—lit. "the Egyptian reckoner") (c. 850 – ...
's ''Algebra'' was also translated into Latin during this period, but the translator of the work is unknown.. Alfred of Sareshel's (c. 1200–1227) translations include the works of
Nicolaus of Damascus Nicolaus of Damascus (Greek: , ''Nikolāos Damaskēnos''; Latin: ''Nicolaus Damascenus'') was a Greek historian and philosopher who lived during the Augustan age of the Roman Empire. His name is derived from that of his birthplace, Damascus. He w ...
and
Hunayn ibn Ishaq Hunayn ibn Ishaq al-Ibadi (also Hunain or Hunein) ( ar, أبو زيد حنين بن إسحاق العبادي; (809–873) was an influential Nestorian Christian translator, scholar, physician, and scientist. During the apex of the Islamic ...
. Antonius Frachentius Vicentinus' translations include the works of Ibn Sina (Avicenna). Armengaud Blaise's translations include the works of Avicenna,
Averroes Ibn Rushd ( ar, ; full name in ; 14 April 112611 December 1198), often Latinized as Averroes ( ), was an Andalusian polymath and jurist who wrote about many subjects, including philosophy, theology, medicine, astronomy, physics, psy ...
, Hunayn ibn Ishaq, and
Maimonides Musa ibn Maimon (1138–1204), commonly known as Maimonides (); la, Moses Maimonides and also referred to by the acronym Rambam ( he, רמב״ם), was a Sephardic Jewish philosopher who became one of the most prolific and influential Tora ...
. Berengarius of Valentia translated the works of
Abu al-Qasim al-Zahrawi Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari ( ar, أبو القاسم خلف بن العباس الزهراوي;‎ 936–1013), popularly known as al-Zahrawi (), Latinised as Albucasis (from Arabic ''Abū al-Qāsim''), was ...
(Abulcasis). Drogon (Azagont) translated the works of
al-Kindi Abū Yūsuf Yaʻqūb ibn ʼIsḥāq aṣ-Ṣabbāḥ al-Kindī (; ar, أبو يوسف يعقوب بن إسحاق الصبّاح الكندي; la, Alkindus; c. 801–873 AD) was an Arab Muslim philosopher, polymath, mathematician, physician ...
. Farragut (Faradj ben Salam) translated the works of Hunayn ibn Ishaq, Ibn Zezla (Byngezla),
Masawaiyh Yuhanna ibn Masawaih (circa 777–857), ( ar, يوحنا بن ماسويه), also written Ibn Masawaih, Masawaiyh, and in Latin Janus Damascenus, or Mesue, Masuya, Mesue Major, Msuya, and Mesuë the Elder was a Persian or Assyrian East Syriac ...
(Mesue), and al-Razi (Rhazes). Andreas Alphagus Bellnensis' translations include the works of Avicenna, Averroes, Serapion, al-Qifti, and Albe'thar. In 13th century Montpellier, Profatius and Bernardus Honofredi translated the ''Kitab alaghdiya'' by
Ibn Zuhr Abū Marwān ‘Abd al-Malik ibn Zuhr ( ar, أبو مروان عبد الملك بن زهر), traditionally known by his Latinized name Avenzoar (; 1094–1162), was an Arab physician, surgeon, and poet. He was born at Seville in medieval And ...
(Avenzoar) as ''De regimine sanitatis''; and Armengaud translated the ''al-Urjuza fi al-tibb'', a work combining the medical writings of Avicenna and
Averroes Ibn Rushd ( ar, ; full name in ; 14 April 112611 December 1198), often Latinized as Averroes ( ), was an Andalusian polymath and jurist who wrote about many subjects, including philosophy, theology, medicine, astronomy, physics, psy ...
, as ''Cantica cum commento''. Other texts translated during this period include a number of alchemical works, the first of which appears to have been '' The Book of the Composition of Alchemy'' (''Liber de compositione alchemiae'', translated by Robert of Chester in 1144 and containing a dialogue between Morienus and Khālid ibn Yazīd). Also notable are translations from alchemical works attributed to
Jabir ibn Hayyan Abū Mūsā Jābir ibn Ḥayyān (Arabic: , variously called al-Ṣūfī, al-Azdī, al-Kūfī, or al-Ṭūsī), died 806−816, is the purported author of an enormous number and variety of works in Arabic, often called the Jabirian corpus. The ...
(Geber), such as the ''Book of the Seventy'' (Arabic: ''Kitāb al-Sabʿīn'', translated by
Gerard of Cremona Gerard of Cremona (Latin: ''Gerardus Cremonensis''; c. 1114 – 1187) was an Italian translator of scientific books from Arabic into Latin. He worked in Toledo, Kingdom of Castile and obtained the Arabic books in the libraries at Toledo. Some of ...
, before 1187, as ''Liber de septuaginta''), ''The Great Book of Mercy'' (Arabic: ''Kitāb al-Raḥma al-kabīr'', anonymously translated as ''Liber misericordiae''), and ''The Book of the Kingship'' (Arabic: ''Kitāb al-mulk'', translated as ''Liber regni''). Another work translated during this period was ''
De Proprietatibus Elementorum ''De Proprietatibus Elementorum'' (English: On the Properties of the Elements) is a Medieval Arabic treatise on geology. It is also known as ''De Causis Proprietatum Elementorum'', ''De Proprietatibus Elementorum et Planetarum'' or simply ''De Elem ...
'', an Arabic work on
geology Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Ea ...
written by a
pseudo-Aristotle Pseudo-Aristotle is a general cognomen for authors of philosophical or medical treatises who attributed their work to the Greek philosopher Aristotle, or whose work was later attributed to him by others. Such falsely attributed works are known as ps ...
. A pseudo- Mesue's ''De consolatione medicanarum simplicum, Antidotarium, Grabadin'' was also translated into Latin by an anonymous translator.


Vernacular languages

In the 12th century in southern France and Italy, many Arabic scientific texts were translated into Hebrew. France and Italy had large Jewish communities where there was little knowledge of Arabic, requiring translations to provide access to Arabic science. The translation of Arabic texts into Hebrew was used by translators, such as Profatius Judaeus, as an intermediate step between translation from Arabic into Latin. This practice was most widely used from the thirteenth to the sixteenth centuries..


List of translations

This list is of translations after c. 1100 of works written originally in Greek. *
Hippocrates Hippocrates of Kos (; grc-gre, Ἱπποκράτης ὁ Κῷος, Hippokrátēs ho Kôios; ), also known as Hippocrates II, was a Greek physician of the classical period who is considered one of the most outstanding figures in the history o ...
and school (5th, 4th centuries B.C.) **''Aphorisms'': Burgundio of Pisa, from Greek, 12th century **Various treatises:
Gerard of Cremona Gerard of Cremona (Latin: ''Gerardus Cremonensis''; c. 1114 – 1187) was an Italian translator of scientific books from Arabic into Latin. He worked in Toledo, Kingdom of Castile and obtained the Arabic books in the libraries at Toledo. Some of ...
and others, from Arabic, Toledo 12th century **
William of Moerbeke William of Moerbeke, O.P. ( nl, Willem van Moerbeke; la, Guillelmus de Morbeka; 1215–35 – 1286), was a prolific medieval translator of philosophical, medical, and scientific texts from Greek language into Latin, enabled by the period ...
, from Greek, after 1260 *
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ph ...
(384-322 B.C.) **'' Posterior Analytics'' (a founding document of the '' logica nova''): Two versions from Greek, 12th century; from Arabic, Toledo 12th century **''
Meteorologica ''Meteorology'' (Greek: ; Latin: ''Meteorologica'' or ''Meteora'') is a treatise by Aristotle. The text discusses what Aristotle believed to have been all the affections common to air and water, and the kinds and parts of the earth and the affect ...
'' (Book 4):
Henricus Aristippus Henry Aristippus of Calabria (born in Santa Severina in 1105–10; died in Palermo in 1162), sometimes known as Enericus or Henricus Aristippus, was a religious scholar and the archdeacon of Catania (from c. 1155) and later chief '' familiaris'' ...
, from Greek, Sicily c. 1156 **'' Physica'', ''
De Generatione et Corruptione ''On Generation and Corruption'' ( grc, Περὶ γενέσεως καὶ φθορᾶς; la, De Generatione et Corruptione), also known as ''On Coming to Be and Passing Away'' is a treatise by Aristotle. Like many of his texts, it is both scie ...
'', '' Parva Naturalia'', ''
Metaphysica ''Metaphysics'' (Greek: τὰ μετὰ τὰ φυσικά, "things after the ones about the natural world"; Latin: ''Metaphysica'') is one of the principal works of Aristotle, in which he develops the doctrine that is sometimes referred to as '' ...
'' (first 4 books), ''
De Anima ''On the Soul'' ( Greek: , ''Peri Psychēs''; Latin: ''De Anima'') is a major treatise written by Aristotle c. 350 BC. His discussion centres on the kinds of souls possessed by different kinds of living things, distinguished by their differen ...
'': from Greek, 12th century **''
Meteorologica ''Meteorology'' (Greek: ; Latin: ''Meteorologica'' or ''Meteora'') is a treatise by Aristotle. The text discusses what Aristotle believed to have been all the affections common to air and water, and the kinds and parts of the earth and the affect ...
'' (Books 1-3), '' Physica'', '' De Cælo et Mundo'', ''
De Generatione et Corruptione ''On Generation and Corruption'' ( grc, Περὶ γενέσεως καὶ φθορᾶς; la, De Generatione et Corruptione), also known as ''On Coming to Be and Passing Away'' is a treatise by Aristotle. Like many of his texts, it is both scie ...
'': Gerard of Cremona, from Arabic, Toledo 12th century **''De Animalibus'' (''
Historia animalium ''History of Animals'' ( grc-gre, Τῶν περὶ τὰ ζῷα ἱστοριῶν, ''Ton peri ta zoia historion'', "Inquiries on Animals"; la, Historia Animalium, "History of Animals") is one of the major texts on biology by the ancient Gr ...
'', '' De partibus animalium'', ''
De generatione animalium The ''Generation of Animals'' (or ''On the Generation of Animals''; Greek: ''Περὶ ζῴων γενέσεως'' (''Peri Zoion Geneseos''); Latin: ''De Generatione Animalium'') is one of the biological works of the Corpus Aristotelicum, the co ...
''):
Michael Scot Michael Scot (Latin: Michael Scotus; 1175 – ) was a Scottish mathematician and scholar in the Middle Ages. He was educated at Oxford and Paris, and worked in Bologna and Toledo, where he learned Arabic. His patron was Frederick II of the H ...
, from a 9th-century Arabic translation, Spain c. 1217-20 **Almost complete works: William of Moerbeke, new or revised translations from Greek c. 1260-71 *
Euclid Euclid (; grc-gre, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the '' Elements'' treatise, which established the foundations of ...
(c. 330-260 B.C.) **'' Elements'' (15 books, 13 genuine): Adelard of Bath from Arabic, c. 1126; revised by Campanus of Novara, c. 1254 **'' Optica'' and '' Catoptrica'': from Greek, probably Sicily * Apollonius (3rd century B.C.) **''Conica'': perhaps Gerard of Cremona, from Arabic, 12th century * Archimedes (287-212 B.C.) **'' De Mensura Circuli'': Gerard of Cremona, from Arabic, Toledo 12th century **'' De Iis quæ in Humido Vehuntur (On Floating Bodies)'': William of Moerbeke from Greek 1269 * Diocles ( 2nd century B.C.) **''De Speculis Comburentibus (On Burning Mirrors)'': Gerard of Cremona, from Arabic, Toledo 12th century *
Hero of Alexandria Hero of Alexandria (; grc-gre, Ἥρων ὁ Ἀλεξανδρεύς, ''Heron ho Alexandreus'', also known as Heron of Alexandria ; 60 AD) was a Greek mathematician and engineer who was active in his native city of Alexandria, Roman Egypt. He ...
(1st century B.C.?) **''Pneumatica'': from Greek, Sicily 12th century **''Catoptrica'' (attributed to Ptolemy in Middle Ages): William of Moerbeke, from Greek, after 1260 *
pseudo-Aristotle Pseudo-Aristotle is a general cognomen for authors of philosophical or medical treatises who attributed their work to the Greek philosopher Aristotle, or whose work was later attributed to him by others. Such falsely attributed works are known as ps ...
**''
Mechanica ''Mechanica'' ( la, Mechanica sive motus scientia analytice exposita; 1736) is a two-volume work published by mathematician Leonhard Euler which describes analytically the mathematics governing movement. Euler both developed the techniques of ...
'': from Greek, early 13th century; Bartholomew of Messina, from Greek, Sicily c.1260 ** ''De Plantis'' or ''De Vegetabilibus'' (now attributed to
Nicolaus of Damascus Nicolaus of Damascus (Greek: , ''Nikolāos Damaskēnos''; Latin: ''Nicolaus Damascenus'') was a Greek historian and philosopher who lived during the Augustan age of the Roman Empire. His name is derived from that of his birthplace, Damascus. He w ...
, 1st century B.C.): Alfred of Sareshel, from Arabic, Spain probably before 1200 * pseudo-Euclid **''Liber Euclidis de Ponderoso et Levi'' (on statics): from Arabic, 12th century *
Galen Aelius Galenus or Claudius Galenus ( el, Κλαύδιος Γαληνός; September 129 – c. AD 216), often Anglicized as Galen () or Galen of Pergamon, was a Greek physician, surgeon and philosopher in the Roman Empire. Considered to be one ...
(129-200 A.D.) **Various treatises: Burgundio of Pisa, from Greek, c. 1185 **Various treatises: Gerard of Cremona and others, from Arabic, Toledo 12th century **Various treatises: William of Moerbeke, from Greek, 1277 *
Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importance ...
(2nd century A.D.) **'' Almagest'': from Greek, Sicily c. 1160; Gerard of Cremona, from Arabic, Toledo 1175 **''Optica'': Eugenius of Palermo, from Arabic, c. 1154 *
Alexander of Aphrodisias Alexander of Aphrodisias ( grc-gre, Ἀλέξανδρος ὁ Ἀφροδισιεύς, translit=Alexandros ho Aphrodisieus; AD) was a Peripatetic philosopher and the most celebrated of the Ancient Greek commentators on the writings of Aristotle ...
(fl. 193 -217 A.D.) **''Commentary on the ''
Meteorologica ''Meteorology'' (Greek: ; Latin: ''Meteorologica'' or ''Meteora'') is a treatise by Aristotle. The text discusses what Aristotle believed to have been all the affections common to air and water, and the kinds and parts of the earth and the affect ...
: William of Moerbeke, from Greek, 13th century **''De Motu et Tempore'': Gerard of Cremona, from Arabic, Toledo 12th century * Proclus (412-485 A.D.) **''Physica Elementa (De motu)'': from Greek, Sicily 12th century **''Elements of Theology'': from Greek by William of Moerbeke, 1268 **''Three opuscules'' (''On Providence,'' ''On providence and Fate,'' and ''On the Existence of Evil''): from Greek by William of Moerbeke **''Commentary on Plato's Parmenides'': from Greek by William of Moerbeke * Simplicius (6th century A.D.) **Part of ''Commentary on Aristotle's '' De Cælo et Mundo:
Robert Grosseteste Robert Grosseteste, ', ', or ') or the gallicised Robert Grosstête ( ; la, Robertus Grossetesta or '). Also known as Robert of Lincoln ( la, Robertus Lincolniensis, ', &c.) or Rupert of Lincoln ( la, Rubertus Lincolniensis, &c.). ( ; la, Rob ...
, from Greek, 13th century **''Commentary on Aristotle's '' Physica: from Greek 13th century **''Commentary on Aristotle's ''De Cælo et Mundo: William of Moerbeke, from Greek, 1271 **''Commentary on Aristotle's ''Categories: William of Moerbeke, from Greek


See also

*
Toledo School of Translators The Toledo School of Translators ( es, Escuela de Traductores de Toledo) is the group of scholars who worked together in the city of Toledo during the 12th and 13th centuries, to translate many of the Judeo-Islamic philosophies and scientific w ...
* Renaissance of the 12th century *
Islamic world contributions to Medieval Europe During the High Middle Ages, the Islamic world was at its cultural peak, supplying information and ideas to Europe, via Al-Andalus, Sicily and the Crusader kingdoms in the Levant. These included Latin translations of the Greek Classics and of ...
* Lex Mahumet pseudoprophete * List of translators *
Graeco-Arabic translation movement The Graeco-Arabic translation movement was a large, well-funded, and sustained effort responsible for translating a significant volume of secular Greek texts into Arabic. The translation movement took place in Baghdad from the mid-eighth century ...


Notes


References

* * * * * * * (see especially chapter 9, "The Translators from Greek and Arabic") * * * * * * * * * * * * * * * *


External links


Robert of Ketton's Qu'ran, as edited by Bibliander (1550 revised edition)
in Robert I. Burns, ed., ''Emperor of Culture: Alfonso X the Learned of Castile and His Thirteenth-Century Renaissance Culture''
Makdisi - Scholasticism and Humanism in Classical Islam and the Christian West
{{DEFAULTSORT:Latin Translations Of The 12th Century History of translation 12th-century Latin literature Translations into Latin