Fulbert of Chartres

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Around the year 990 a teacher in his late twenties — of modest birth, his homeland never firmly fixed — settled at the cathedral of Chartres and began to lecture. Within a generation scholars were traveling to hear him from across France and from as far as Italy, Germany, and England. The man who drew them, Fulbert, would be remembered less for any doctrine he authored than for the place he made and the standard he set: a cathedral school where the liberal arts, medicine, and the study of scripture were pursued together, in the generation just before the urban schools of the twelfth century swelled into the first universities of the Latin West.

Fulbert depicted in his cathedral, an eleventh-century illumination from the Chartres martyrology (Bibliothèque municipale de Chartres, Ms. 4, fol. 94) — via Wikimedia Commons (public domain)

Origins and formation

The record of Fulbert’s early life is thin and partly legendary. Modern scholarship places his birth between roughly 952 and 970 — commonly given as about 960 — and agrees on little except that his family was poor and non-noble. His birthplace is contested: most accounts favor northern France, possibly Picardy, while an old and persistent tradition makes him an Italian, even a Roman, of humble stock. The uncertainty is itself characteristic of the period he stands at the threshold of, when the lives of teachers survive chiefly through the letters of their students rather than through any biography.

What is securely known begins at Reims. There, in the decades around 980, Fulbert studied under Gerbert of Aurillac, the most celebrated master of the age — a mathematician and logician steeped in the recovered learning of the Latin and the Arabic-mediated Greek traditions, who in 999 would be raised to the papacy as Sylvester II. Gerbert had reanimated the school of Reims around a rigorous treatment of the seven liberal arts: the trivium of grammar, rhetoric, and dialectic, and the quadrivium of arithmetic, geometry, astronomy, and music. To these Gerbert brought instruments and apparatus then exotic in the Latin world — the abacus, the armillary sphere, computations of the calendar and the heavens — and a temper that took the mechanics of reasoning seriously as a craft to be drilled. From that orbit Fulbert carried away not a system but a method and an appetite: a conviction that the inherited arts were a single, teachable architecture of knowledge, and that they could be made to flourish far from the court. He is documented at Chartres by around 990, where he served as chancellor and was, in effect, the founding master of the school that would make the cathedral famous. The line of descent matters. Gerbert’s own learning ran back, through the Latin handbooks of Boethius and the encyclopedists, to the schoolroom synthesis of late antiquity; Fulbert received it at one remove and passed it on at another, a single human link in a chain of transmission that ran across centuries rather than a fount of anything new.

The school and the bishopric

Under Fulbert the cathedral school of Chartres became, in his lifetime, one of the leading centers of learning in northern France, and arguably the foremost. Its curriculum was broad for the age: alongside the trivium and quadrivium it embraced the study of medicine — Fulbert had some training as a physician — and the careful reading of scripture and the Latin Fathers. The teaching was practical and textual rather than speculative; its aim was the formation of clerics who could administer a church, argue a point of law, gloss a psalm, and write a correct Latin letter. Students came from the remotest parts of France and from beyond it, and they left bearing the school’s reputation outward across the Latin West.

Something of the school’s texture survives in incidental traces. Fulbert corresponded with former pupils who had carried his teaching to distant sees — among them Bonipert, bishop of Pécs in Hungary, to whom Fulbert sent a copy of the grammarian Priscian, a small act of book-lending that opens a window onto how the cathedral schools physically moved their texts and standards across Latin Christendom. The curriculum’s breadth, and its limit, are both visible in such episodes: a master concerned to get the right grammar of Priscian into the hands of a working bishop, not to spin a cosmology. The arts at Chartres were tools for a life of service to the Church, exact and demanding, but bent toward use.

In 1006 Fulbert was made bishop of Chartres, an office he held until his death in 1028. He did not relinquish the school; the two roles fused, and his episcopal correspondence is shot through with the concerns of a working schoolmaster. The defining material event of his episcopate was a catastrophe. In September 1020, amid the building energy of the early Middle Ages, a fire destroyed the cathedral, and Fulbert undertook its reconstruction — a great Romanesque basilica raised, in part, on funds he solicited from across Christendom, including from King Robert II of France and, by tradition, from the Anglo-Danish king Cnut. The vast crypt he built between roughly 1020 and 1024 — a U-shaped gallery wrapping the choir, among the largest in Europe — survives intact. It is the bedrock of the present building: when a second fire in 1194 consumed the Romanesque church above it, the crypt and part of the west front endured, and on Fulbert’s foundations rose the High Gothic cathedral of Notre-Dame de Chartres that stands today, completed in the main by about 1220. The Gothic masterpiece is, quite literally, built on the floor he laid.

The High Gothic cathedral of Notre-Dame de Chartres, rebuilt after 1194 on the crypt and west front of Fulbert’s Romanesque church — Tony Hisgett, via Wikimedia Commons (CC BY 2.0)

Venerabilis Socrates and the disciples

Fulbert’s pupils called him venerabilis Socrates — the venerable Socrates. The phrase is not a later honorific but a period testimony: Adelman of Liège, an alumnus of the school, recalled in verse the schoolfellows once gathered in the academy of Chartres under their venerable Socrates, and the affection in it is part of the record. The Socratic comparison fits the man as the sources draw him — a teacher whose reach was through conversation, correction, and the steady transmission of a discipline, not through a treatise that fixed a doctrine. Like the ancient Athenian behind the epithet, he is known largely through the writings of those he taught.

Chief among them, and the most consequential for what came after, was Berengar of Tours (born about 999, died 1088). Berengar studied under Fulbert at Chartres, absorbing there a confident command of Latin letters and dialectic, before returning to Tours to head the school of Saint-Martin. From that dialectic he pressed, in the 1040s and after, an account of the Eucharist that denied a gross material change in the bread and wine and trusted reason and the Fathers against the realist doctrine of Paschasius Radbertus. The resulting controversy — Berengar’s teaching condemned at Rome in 1050 and at successive councils through the century, and refuted at length by Lanfranc of Bec — was among the sharpest theological storms of the eleventh century, and a decisive step toward the later definition of the real presence and transubstantiation. It belonged, entirely, to the years after Fulbert’s death. The school he raised thus stood at the head of debates he himself never saw: a measure of how thoroughly his teaching had armed the next generation with the tools of argument.

The letters

The surviving writings are a bishop’s working papers rather than a system, and their value is in that very ordinariness. Fulbert’s letters — edited and studied as one of the major narrative and documentary sources for France around the year 1000 — treat ecclesiastical administration, canon law, the management of a diocese, the politics of bishops and counts, and the daily friction of an office held in turbulent times. Through them passes a whole world: kings and dukes, abbots and viscounts, the abbey of Fleury and the count of Blois, the disputes over churches and lands that were the substance of episcopal governance.

One letter outgrew all the rest. Asked around 1020 by Duke William V of Aquitaine to set out what a vassal owed his lord, Fulbert composed a short, lucid statement of mutual obligation that would become a foundational text of medieval law. A sworn man, he wrote, must keep his lord in six respects — in the standard translation, what is harmless, safe, honorable, useful, easy, and practicable — and the lord owes the same in return, lest the faith be one-sided. The little treatise circulated widely; it was drawn into the canonical collections of Ivo of Chartres a lifetime later, and then into Gratian’s Decretum around 1140, where it became a locus classicus for the jurists who built the law of homage and fealty. By the thirteenth century it ranked among the most cited authorities on the feudal bond — a schoolmaster’s analysis of obligation outliving the duke who commissioned it and the order it described.

The Virgin of Chartres

Fulbert was deeply devoted to the Virgin Mary, and he did much to fix Chartres as a preeminent center of her cult — a devotion the cathedral would carry through the Middle Ages and beyond. He composed hymns, responsories, sermons, and poems for her feasts, and he was a principal promoter of the feast of the Nativity of Mary on September 8. His most influential sermon, known by its opening words Approbate consuetudinis, was written for that feast and was read in connection with it for centuries; in it Fulbert presses Mary’s descent from the royal house of David, anchoring her in the messianic lineage of the Old Testament — a theme that fed the Stirps Jesse, the tree-of-Jesse imagery that would flower in liturgy and stained glass, including the famous Jesse window at Chartres itself. His Marian writings are part of why the rebuilt cathedral became, above all, the house of the Virgin: the devotion and the building grew together, each amplifying the other.

The Tree of Jesse window at Chartres (c. 1145), tracing Christ’s descent through the royal line of David — the imagery Fulbert’s Marian preaching helped inspire. Via Wikimedia Commons (public domain)

The texts and the scholarship

Fulbert’s writings come down through the manuscript tradition and the early printed collections, and were gathered in the nineteenth century into the Patrologia Latina (volume 141), the great editorial enterprise of Jacques-Paul Migne that long served as the working corpus for medieval Latin authors. The standard modern edition, and the foundation of all serious study, is Frederick Behrends, The Letters and Poems of Fulbert of Chartres, published in the Oxford Medieval Texts series by the Clarendon Press in 1976 — a critical Latin text with facing English translation, a long introduction setting Fulbert in the economic and political world of France around the year 1000, and an apparatus tracing his school and his disciples (Oxford University Press). The collection runs to well over a hundred letters and a body of poems and liturgical verse, and it remains the indispensable witness both to Fulbert himself and to the politics, law, and learning of his age.

The single most reproduced item, the letter on the obligations of vassal and lord, has its own dense afterlife in legal scholarship and in the teaching canon; it is widely available in translation through the Internet Medieval Sourcebook, which preserves the older English rendering long used to introduce students to the feudal bond. The Marian dimension has drawn its own specialist literature: the place of the Approbate consuetudinis sermon in the rise of the feast of Mary’s Nativity, and its connection to the Jesse-tree imagery, is treated at length by Margot Fassler in The Virgin of Chartres: Making History through Liturgy and the Arts (Yale University Press, 2010), which reconstructs how the cathedral clergy from Fulbert’s day to the thirteenth century made the Virgin the axis of the church’s identity (Yale University Press). Across these strands the consistent finding is that Fulbert’s importance lies in the documentary richness of what he left and in what he set in motion, not in a philosophical position he ever staked out.

Reception: a transmitter, not a system

Modern scholarship treats Fulbert as a transitional figure rather than an original thinker — a custodian and transmitter who consolidated the learning of the tenth century and handed it, sharpened, to the eleventh. He wrote no summa, founded no philosophy, left no doctrine bearing his name. His achievement was institutional and pedagogical: a school of the first rank, a method of broad and rigorous study, a generation of pupils, and a body of letters and liturgical poetry that document an age.

The central tympanum of the Royal Portal (c. 1145-1155), part of the twelfth-century cathedral that rose on Fulbert’s foundations — Guillaume Piolle, via Wikimedia Commons (CC BY 3.0)

A caution belongs here, and historians press it firmly. The label School of Chartres attached, above all, to the brilliant twelfth-century masters who taught at the cathedral a century after Fulbert — Bernard of Chartres, Thierry of Chartres, William of Conches, Gilbert of Poitiers — and to their Latin Platonism, their reading of Plato’s Timaeus, their speculation on the world-soul and the harmony of cosmos and creed. That later flowering, and the very coherence of any single such school, has itself been contested: R. W. Southern argued that the school’s twelfth-century importance was overdrawn and that several of its supposed masters taught elsewhere, while Peter Dronke and others defended a real and distinctive Chartrian tradition — a debate that runs through the scholarship of the later twentieth century. What the dispute makes clear is that the speculative, Platonizing Chartres of the 1100s must not be read back onto Fulbert’s practical curriculum of the early 1000s. His teaching trained administrators and exegetes, not cosmologists. The cathedral schools of his day were the seedbed of the scholasticism and the university theology that men like Alexander of Hales and Siger of Brabant would pursue at Paris two centuries on — heirs of the institution Fulbert helped invent, never his contemporaries — just as he himself was heir to the Carolingian palace school of Alcuin that ran the other way back into the eighth century, and a near-elder to the poet-Platonist Alain of Lille, who would belong to that later Chartrian world he never reached. The Marian piety he nurtured at Chartres likewise found its great voice a hundred years on, in the sermons of Bernard of Clairvaux and the twelfth century’s intense devotion to the Virgin — another seed Fulbert planted whose flowering he did not see. What he established was the institution and the reputation; the speculative flowering came after him, on ground he had prepared.

→ Related: Alexander Of Hales · Siger Of Brabant · Middle Ages · Socrates · Mary · Notre Dame De Chartres · Scholasticism · Platonism · Alcuin · Alain Of Lille · Bernard Of Clairvaux · Boethius