Gerard of Cremona (
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 ...
: ''Gerardus Cremonensis''; c. 1114 – 1187) was an
Italian
Italian(s) may refer to:
* Anything of, from, or related to the people of Italy over the centuries
** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom
** Italian language, a Romance language
*** Regional Ita ...
translator of scientific books from Arabic into Latin. He worked in
Toledo,
Kingdom of Castile
The Kingdom of Castile (; es, Reino de Castilla, la, Regnum Castellae) was a large and powerful state on the Iberian Peninsula during the Middle Ages. Its name comes from the host of castles constructed in the region. It began in the 9th centu ...
and obtained the Arabic books in the libraries at Toledo. Some of the books had been originally written in Greek and, although well known in Byzantine Constantinople and Greece at the time, were unavailable in Greek or Latin in Western Europe. Gerard of Cremona is the most important translator among the
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 ...
who invigorated Western
medieval Europe
In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...
in the twelfth century by transmitting the Arabs' and ancient Greeks' knowledge in astronomy, medicine and other sciences, by making the knowledge available in Latin. One of Gerard's most famous translations is 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 importanc ...
's ''
Almagest
The ''Almagest'' is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy ( ). One of the most influential scientific texts in history, it canoni ...
'' from Arabic texts found in Toledo.
Confusingly there appear to have been two translators of Arabic text into Latin known as ''Gerard of Cremona'', the one active in the 12th century who concentrated on astronomy and other scientific works, and another active in the 13th century who concentrated on medical works.
Life
Gerard was born in
Cremona
Cremona (, also ; ; lmo, label= Cremunés, Cremùna; egl, Carmona) is a city and ''comune'' in northern Italy, situated in Lombardy, on the left bank of the Po river in the middle of the ''Pianura Padana'' ( Po Valley). It is the capital of th ...
in northern Italy. Dissatisfied with the philosophies of his Italian teachers, Gerard went to Toledo. There he learned Arabic, initially so that he could read
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 importanc ...
's ''
Almagest
The ''Almagest'' is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy ( ). One of the most influential scientific texts in history, it canoni ...
'', which had a traditionally high reputation among scholars, but which, before his departure to Castile, was not yet known in Latin translation. The first Latin translation was made, from the Greek around 1160 in Sicily. Although we do not have detailed information of the date when Gerard went to
Castile, it was no later than 1144.
Toledo, which had been a provincial capital in the
Caliphate of Cordoba
A caliphate or khilāfah ( ar, خِلَافَة, ) is an institution or public office under the leadership of an Islamic steward with the title of caliph (; ar, خَلِيفَة , ), a person considered a political-religious successor to th ...
and remained a seat of learning, was safely available to a
Catholic
The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
like Gerard, since it had been conquered from the
Moors
The term Moor, derived from the ancient Mauri, is an exonym first used by Christian Europeans to designate the Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily and Malta during the Middle Ages.
Moors are not a distinct or ...
by
Alfonso VI of Castile
Alphons (Latinized ''Alphonsus'', ''Adelphonsus'', or ''Adefonsus'') is a male given name recorded from the 8th century (Alfonso I of Asturias, r. 739–757) in the Christian successor states of the Visigothic kingdom in the Iberian peninsula. ...
in 1085. Toledo remained a multicultural capital, insofar as its rulers protected the large Jewish and Muslim quarters, and kept their trophy city an important centre of
Arab
The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Western Asia, ...
and
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 ...
culture
Culture () is an umbrella term which encompasses the social behavior, institutions, and norms found in human societies, as well as the knowledge, beliefs, arts, laws, customs, capabilities, and habits of the individuals in these groups.Tyl ...
. One of the great scholars associated with Toledo was Rabbi
Abraham ibn Ezra, Gerard's contemporary.
Mozarabic culture was common in the area. The city was full of
libraries
A library is a collection of materials, books or media that are accessible for use and not just for display purposes. A library provides physical (hard copies) or digital access (soft copies) materials, and may be a physical location or a vir ...
and
manuscript
A manuscript (abbreviated MS for singular and MSS for plural) was, traditionally, any document written by hand – or, once practical typewriters became available, typewritten – as opposed to mechanically printing, printed or repr ...
s, and was one of the few places in medieval Europe where a Christian could be exposed to Arabic language and culture.
In Toledo Gerard devoted the remainder of his life to making Latin translations from the Arabic scientific literature.
Gerard's translations
![Al Razi Receuil de traite de medecine translated by Gerard de Cremone Second half of 13th century](https://upload.wikimedia.org/wikipedia/commons/e/e1/Al_Razi_Receuil_de_traite_de_medecine_translated_by_Gerard_de_Cremone_Second_half_of_13th_century.jpg)
Gerard of Cremona's Latin translation of the Arabic version of Ptolemy's ''
Almagest
The ''Almagest'' is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy ( ). One of the most influential scientific texts in history, it canoni ...
'' made c. 1175 was the most widely known in
Western Europe
Western Europe is the western region of Europe. The region's countries and territories vary depending on context.
The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the ancient Mediterranean ...
before the Renaissance. Unbeknownst to Gerard, an earlier translation of the ''Almagest'' had already been made in Sicily from the original Greek c. 1160 under the aegis of
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'' ...
, although this version was not as widely used in the Middle Ages as Gerard's version.
George of Trebizond
George of Trebizond ( el, Γεώργιος Τραπεζούντιος; 1395–1486) was a Byzantine Greek philosopher, scholar, and humanist. Life
He was born on the Greek island of Crete (then a Venetian colony known as the Kingdom of Candia), an ...
and then
Johannes Regiomontanus
Johannes Müller von Königsberg (6 June 1436 – 6 July 1476), better known as Regiomontanus (), was a mathematician, astrologer and astronomer of the German Renaissance, active in Vienna, Buda and Nuremberg. His contributions were instrumen ...
retranslated it from the Greek original in the fifteenth century. The ''Almagest'' formed the basis for Western
astronomy
Astronomy () is a natural science that studies astronomical object, celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and chronology of the Universe, evolution. Objects of interest ...
until it was eclipsed by the theories of
Copernicus
Nicolaus Copernicus (; pl, Mikołaj Kopernik; gml, Niklas Koppernigk, german: Nikolaus Kopernikus; 19 February 1473 – 24 May 1543) was a Renaissance polymath, active as a mathematician, astronomer, and Catholic canon, who formulated ...
.
Gerard edited for Latin readers the ''
Tables of Toledo
The ''Toledan Tables'', or ''Tables of Toledo'', were astronomical tables which were used to predict the movements of the Sun, Moon and planets relative to the fixed stars. They were a collection of mathematic tables that describe different aspec ...
'', the most accurate compilation of astronomical data ever seen in Europe at the time. The ''Tables'' were partly the work of
Al-Zarqali, known to the West as
Arzachel, a mathematician and astronomer who flourished in
Cordoba in the eleventh century.
Al-Farabi
Abu Nasr Muhammad Al-Farabi ( fa, ابونصر محمد فارابی), ( ar, أبو نصر محمد الفارابي), known in the Western world, West as Alpharabius; (c. 872 – between 14 December, 950 and 12 January, 951)PDF version was a reno ...
, the Islamic "second teacher" after
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 phil ...
, wrote hundreds of treatises. His book on the sciences, ''Kitab lhsa al Ulum,'' discussed classification and fundamental principles of science in a unique and useful manner. Gerard rendered it as ''De scientiis'' (''On the Sciences'').
Gerard translated
Euclid
Euclid (; grc-gre, Wikt:Εὐκλείδης, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the ''Euclid's Elements, Elements'' trea ...
’s ''
Geometry
Geometry (; ) is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space such as the distance, shape, size, and relative position of figures. A mathematician who works in the field of geometry is c ...
'' and
Alfraganus
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 ''Elements of Astronomy''.
Gerard also composed original treatises on
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 a ...
,
arithmetic
Arithmetic () is an elementary part of mathematics that consists of the study of the properties of the traditional operations on numbers— addition, subtraction, multiplication, division, exponentiation, and extraction of roots. In the 19th ...
and
astrology
Astrology is a range of Divination, divinatory practices, recognized as pseudoscientific since the 18th century, that claim to discern information about human affairs and terrestrial events by studying the apparent positions of Celestial o ...
. In the astrology text, longitudes are reckoned both from Cremona and Toledo.
In total, Gerard of Cremona translated 87 books from the Arabic language, including such originally Greek works as
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 importanc ...
's ''
Almagest
The ''Almagest'' is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy ( ). One of the most influential scientific texts in history, it canoni ...
'',
Archimedes
Archimedes of Syracuse (;; ) was a Greek mathematician, physicist, engineer, astronomer, and inventor from the ancient city of Syracuse in Sicily. Although few details of his life are known, he is regarded as one of the leading scientists ...
' ''
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 phil ...
's ''
On the Heavens
''On the Heavens'' (Greek: ''Περὶ οὐρανοῦ''; Latin: ''De Caelo'' or ''De Caelo et Mundo'') is Aristotle's chief cosmological treatise: written in 350 BC, it contains his astronomical theory and his ideas on the concrete workings o ...
'', and
Euclid
Euclid (; grc-gre, Wikt:Εὐκλείδης, Εὐκλείδης; BC) was an ancient Greek mathematician active as a geometer and logician. Considered the "father of geometry", he is chiefly known for the ''Euclid's Elements, Elements'' trea ...
'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 ...
''; and such originally Arabic works as
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'',
Jabir ibn Aflah
Abū Muḥammad Jābir ibn Aflaḥ ( ar, أبو محمد جابر بن أفلح, la, Geber/Gebir; 1100–1150) was an Arab Muslim astronomer and mathematician from Seville, who was active in 12th century al-Andalus. His work ''Iṣlāḥ al-Ma ...
's ''Elementa astronomica'',
[V. J. Katz, ''A History of Mathematics: An Introduction'', p. 291.] and works by
al-Razi Razi ( fa, رازی) or al-Razi ( ar, الرازی) is a name that was historically used to indicate a person coming from Ray, Iran.
People
It most commonly refers to:
* Muhammad ibn Zakariya al-Razi (865–925), influential physician, alchemist ...
(Rhazes).
[Jerome B. Bieber]
Medieval Translation Table 2: Arabic Sources
, Santa Fe Community College
Santa Fe Community College (SFCC) is a public community college in Santa Fe, New Mexico. It has an undergraduate population of about 4,027 students, as well as approximately 4,706 contract training and continuing education students. The college ...
. Gerard of Cremona was also creator of anatomical terms. The Latin translation of the ''
Calendar of Córdoba'', entitled ''Liber Anoe'', has also been attributed to Gerard.
A second Gerard Cremonensis
![Theorica Platenarum by Gerard of Cremona 13th century](https://upload.wikimedia.org/wikipedia/commons/4/46/Theorica_Platenarum_by_Gerard_of_Cremona_13th_century.jpg)
Some of the works credited to Gerard of Cremona are probably the work of a later Gerard Cremonensis, working in the thirteenth century, who was also known as Gerard de Sabloneta (
Sabbioneta
Sabbioneta ( egl, label= Casalasco-Viadanese, Subiunèda) is a town and in the province of Mantua, Lombardy region, Northern Italy. It is situated about north of Parma, not far from the northern bank of the Po River. It was inscribed in the World ...
).
The later Gerard focused on translating medical texts rather than astronomical texts,
[ but the two translators have understandably been confused with one another. His translations from works of ]Avicenna
Ibn Sina ( fa, ابن سینا; 980 – June 1037 CE), commonly known in the West as Avicenna (), was a Persian polymath who is regarded as one of the most significant physicians, astronomers, philosophers, and writers of the Islamic G ...
are said to have been made by order of the emperor Frederick II.
Other treatises attributed to the "Second Gerard" include the ''Theoria'' or ''Theorica planetarum'',[Pedersen, Olaf]
The origins of "Theorica Planetarum"
''Journal for History of Astronomy''. Vol. 12 (1981), pp 113-123. and versions of Avicenna
Ibn Sina ( fa, ابن سینا; 980 – June 1037 CE), commonly known in the West as Avicenna (), was a Persian polymath who is regarded as one of the most significant physicians, astronomers, philosophers, and writers of the Islamic G ...
’s ''Canon of Medicine''— the basis of the numerous subsequent Latin editions of that well-known work — and of the ''Almansor'' of al-Razi Razi ( fa, رازی) or al-Razi ( ar, الرازی) is a name that was historically used to indicate a person coming from Ray, Iran.
People
It most commonly refers to:
* Muhammad ibn Zakariya al-Razi (865–925), influential physician, alchemist ...
("Rhazes" in Latin-speaking Europe). The attribution of the ''Theorica'' to Gerard of Sabbionetta is not well supported by manuscript evidence and should not be regarded as certain.
See also
*Latin translations of the 12th century
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, w ...
Notes
References
*
* Campbell, Donald (2001). ''Arabian Medicine and Its Influence on the Middle Ages''. Routledge
Routledge () is a British multinational publisher. It was founded in 1836 by George Routledge, and specialises in providing academic books, journals and online resources in the fields of the humanities, behavioural science, education, law, and ...
. (Reprint of the London, 1926 edition). .
* Haskins, Charles Homer. ''The Renaissance of the Twelfth Century''. Cambridge: Harvard Univ. Pr., 1927. See especially chapter 9, "The Translators from Greek and Arabic".
* Katz, Victor J. (1998). ''A History of Mathematics: An Introduction''. Addison Wesley
Addison-Wesley is an American publisher of textbooks and computer literature. It is an imprint of Pearson PLC, a global publishing and education company. In addition to publishing books, Addison-Wesley also distributes its technical titles through ...
. .
External links
*
*
*
{{Authority control
1110s births
1187 deaths
Writers from Cremona
12th-century Latin writers
Italian translators
Arabic–Italian translators
Arabic–Latin translators
Medieval Italian astrologers
Medieval Italian astronomers
Translators from Arabic
12th-century astrologers
12th-century astronomers
Medieval Arabists
Medieval orientalists
Medieval linguists
12th-century Italian scientists
12th-century Spanish writers
12th-century Italian writers
12th-century translators