Carried Across · Chapter 3
The men in the middle
The greatest translator of the Middle Ages described his own working method, and the description survives. In the year 856, Hunayn ibn Ishaq, then in his late forties, drew up a letter cataloguing the works of Galen: 129 titles, with notes on who had translated each into Syriac or Arabic, for whom, from what manuscripts, and how well. The Risala, as the letter is known, is the most detailed self-report any medieval translator left, and it reads less like a memoir than like an auditor's file. Of one predecessor's version: serviceable. Of another: so poor he retranslated it outright. Of his own early work, done at seventeen: he went back and corrected it later, and says so.
Two things stand out from the file. The first is the sheer industry. Of the 129 Galenic titles he catalogued, Hunayn translated about a hundred himself, into Syriac, Arabic, or both, and his school covered most of the rest. The second is the fieldwork. Hunting Galen's lost treatise On Demonstration, Hunayn searched, by his own account, across Mesopotamia, Syria, Palestine and Egypt as far as Alexandria, and found nothing but half of it in Damascus, the leaves out of order and incomplete. The image deserves to be famous: the ninth century's best mind for Greek prose, riding from city to city, sifting book chests for a logic text that was already slipping out of the world. Translation, in this period, included what we would call rescue archaeology.
Who was this man? Not a caliph's son, and not a Muslim. Hunayn was an Arab Christian of the Church of the East, born around 808 in al-Hira, the son of a pharmacist. His double identity was the whole toolkit: Syriac was the learned language of his church, Arabic the language of his rulers, and Greek the language he mastered for the trade. He rose to be court physician to the caliph al-Mutawakkil, but his translation work was, in the main, privately commissioned, by court doctors like the Bakhtishu family, by patrician intellectuals like the Banu Musa brothers, who paid for science the way other rich men paid for poets. He trained his son Ishaq, who became the family's specialist in philosophy and mathematics, and his nephew Hubaysh, who did much of the school's Arabic drafting from Hunayn's Syriac. The Risala is frank about this division of labor: a fair amount of "Hunayn's" Arabic Galen is workshop product, uncle supervising, nephew at the desk.
A workshop, a network of paying clients, a quality-control file, an apprenticeship pipeline. We are looking at a firm: a small, family-run, knowledge-logistics firm, in a ninth-century city that could support several.
Notice what Hunayn was not. He was not a member of the civilization whose books he was moving, nor entirely of the one buying them. He belonged to a third thing, a community that lived in between, and that is the rule in this story, almost without exception.
The rule begins with Syriac. Centuries before Baghdad existed, the Aramaic-speaking Christians of Mesopotamia and Syria had built a Greek-to-Syriac translation culture for their own purposes: scripture first, then the logic needed to argue theology, then the medicine needed to staff their hospitals. Sergius of Reshaina was translating Galen into Syriac in the early sixth century, while Justinian reigned in Constantinople. At the monastery of Qenneshre on the Euphrates, Greek studies survived the Arab conquests so comfortably that in the 680s its alumnus Athanasius of Balad was completing the Syriac Aristotle, finishing the advanced books of the logical corpus that earlier centuries had left undone, under Umayyad rule, a hundred years before any caliph wanted them in Arabic.
So when the Abbasid demand arrived, it did not meet a vacuum. It met an existing industry with two centuries of inventory, a trained workforce, and a professional ethos. The Greek-to-Arabic translation movement is, in large part, the story of Arabic money meeting Syriac competence: texts moved Greek to Syriac to Arabic so routinely that for many works the Syriac stage was simply assumed, the way freight is assumed to pass through a port. Hunayn translated the Aphorisms of Hippocrates from Greek through his own Syriac into Arabic, carrying Galen's commentary with it. When the caliph al-Mahdi wanted Aristotle's Topics in Arabic, he commissioned the patriarch of the Church of the East, who worked with a Christian civil servant and hunted up the century-old Syriac version of Athanasius to translate from. The bridge was not a metaphor. It had clergy.
Then the relay handed off, and the same role passed to another people of the in-between. From the twelfth century, as Arabic learning moved toward Latin Europe, the carriers were disproportionately Jews: at home in Arabic from al-Andalus, at home in Hebrew everywhere, and resident on both sides of the Mediterranean's religious frontier. The Kalila chain crossed into Europe through Rabbi Joel's Hebrew before John of Capua made it Latin. At the court of Frederick II, the Provençal rabbi Jacob Anatoli translated Averroes into Hebrew in the same circle where Michael Scot was putting him into Latin; Anatoli calls a Christian scholar, identified since the nineteenth century with Scot himself, his "second master," and records discussing interpretation with the emperor in person. In Rome in 1284, Zerahyah Hen translated Aristotle's On the Soul from Arabic into Hebrew, and that Hebrew is one of the two witnesses from which the lost Baghdad Arabic is reconstructed today. In Rome in 1279, Nathan ha-Me'ati finished the complete Hebrew Canon of Medicine. Wherever a chain in this atlas crosses between Arabic and Latin Christendom, look closely at the middle link and you will usually find a man who heard Arabic in childhood and prayed in Hebrew.
Why minorities? The romantic answer is that marginal people are natural cosmopolitans. The practical answer is better, and kinder.
Bilingualism of translation grade is not a skill. It is a life. To move philosophy between Greek and Arabic you needed not just two vocabularies but two conceptual systems, held deeply enough to know where they refuse to map onto each other. Nobody acquires that from a tutor. It comes from being raised inside one language while conducting your education, your liturgy or your livelihood in another, which is to say, from belonging to a community whose existence straddles a border. The Church of the East ran on Syriac in an empire that ran on Arabic. Andalusi Jewry prayed in Hebrew, philosophized in Arabic, and negotiated with princes in Romance. These communities did not produce translators as a sideline. Structurally, they were translation, embodied, and when empires developed an appetite for each other's books, the in-between peoples were the only ones holding the goods.
There was also a colder reason, and honesty requires it. The work was available to them because it was, by the standards of the powerful, service. Prestige in Baghdad belonged to jurists and poets; in Paris, to theologians. Translation was indispensable, paid, and second-rank, like dragomans and money-changers, the classic professions of the tolerated. The majority outsourced its access to foreign minds the way it outsourced other forms of brokerage. The brokers took the work, and with it a kind of power nobody bothered to name: for two or three generations at a stretch, a handful of Christian and Jewish households effectively decided what Aristotle would say in Arabic, and what Avicenna would say in Latin.
It is worth pausing on how much trust that involved, and how the system secured it. Hunayn's Risala is one answer: radical transparency, the audit file shown to the clients. The verse traditions of hadith scholarship, which graded every report by its chain of named transmitters, are the same instinct applied to religious knowledge; this book's parent atlas borrows its standard from them. A translator's name was his bond. When, centuries later in Italy, Constantine the African issued his Arabic translations under his own name with the original authors quietly omitted, contemporaries noticed, and complained, and the complaint stuck to his reputation for nine hundred years. The system could forgive error. What it tracked, with surprising tenacity, was provenance.
The men in the middle, then: hereditary bilinguals, organized in family firms, audited by reputation, paid by the powerful, and themselves powerless in every conventional sense. Drop the whole class out of history and nothing crosses; the libraries sit on their respective shores forever. Which raises the obvious next question. The competence came from the in-between peoples. The appetite, and the money, came from somewhere else.