Adoration of the Mystic Lamb — Jan and Hubert van Eyck

Adoration of the Mystic Lamb — Jan and Hubert van Eyck

The Adoration of the Mystic Lamb occupies the broad lower centre of the Ghent Altarpiece. An animal scarcely larger than the surrounding angels commands an assembly spread across a flowered meadow. Its blood enters a chalice, while water descends from a fountain nearer the spectator. These two small streams organise a vision of salvation in which crowds approach from different directions. The cathedral identifies the Lamb with Christ and the gathered worshippers with apostles, prophets, martyrs, church fathers and other saints. ^[1]

This page concerns that central painting, rather than the complete polyptych, which is also often called the Adoration of the Mystic Lamb. The distinction matters when considering its imagery and treatment: discoveries about this panel cannot automatically be applied to every shutter. The Ghent Altarpiece overview follows the entire ensemble; here the focus is the altar, fountain, faces, landscape and successive changes within the central meadow.

Details from Adoration of the Mystic Lamb — Jan and Hubert van Eyck

1

Compare the Lamb’s eyes, ears and muzzle

Left: before treatment. Right: after overpaint removal, at the stage published in June 2018. Compare the eyes and lower ears. Unmodified 1,249 × 458-pixel pair from KIK-IRPA’s press kit, cover. Sint-Baafskathedraal Gent © Lukasweb.be–Art in Flanders vzw, photo KIK-IRPA.

Why is the Lamb standing on an altar?

The animal is alive and upright, although blood pours from its wound into a vessel. Art in Flanders, the Flemish heritage image service, explains this combination through Christ's sacrifice and resurrection. The chalice connects the scene with the wine of the Last Supper and its commemoration at Mass. The small elevation beneath the altar has been associated with Mount Zion, but the collection entry presents that identification as a possibility. It need not become a definite geographical label for the meadow. ^[2]

The visible arrangement makes the sacrifice unusually concentrated. White fleece rises above a white altar covering; beneath them, a red frontal supplies a strong block of colour. The chalice occupies only a little of this platform, yet the thin line of blood makes it essential. Around this intimate action, richly dressed and plainly clothed people converge without crowding the altar itself. The open grass immediately around the angels keeps the central offering legible against the much denser gatherings at the edges.

A painted liturgy above a real altar

Susan Jones's Metropolitan Museum essay relates the lower scene to the altarpiece's original setting in the Vijd Chapel. The Lamb's sacrifice was represented above the actual altar where Mass was celebrated. The picture consequently joined the worshippers' present ceremony to a heavenly assembly, rather than offering only an account of a remote biblical event. Jones also observes that the water from the fountain appears to run towards the real altar below the image. ^[3]

The Book of Revelation and the liturgy for All Saints help explain this gathering, but Jones cautions against deriving the entire altarpiece from a single text. That restraint is useful here. Altar, flowing blood, living Lamb, fountain and many classes of worshipper form a coordinated religious argument, without requiring every flower or costume to illustrate the same passage. The picture brings forms of worship and redemption together within a landscape rather than presenting a sequence of separately captioned episodes. ^[3]

How are the worshippers arranged?

Stéphane Lojkine's French notice for Utpictura18, hosted at Aix-Marseille University, supplies a useful orientation. In the viewer's upper left stand male martyrs; below them are Jewish prophets and pagan writers. The lower right contains saints of the Church, while female martyrs occupy the upper right. These broad categories describe the Christian programme of the painting; they do not establish a personal identity for every face. ^[4]

The four gatherings differ in their movement. At the back, figures emerge through trees and curve towards the centre. Those nearest us gather in substantial blocks, with kneeling people opening their books or joining their hands along the inner edges. Tall standing figures create an uneven outer wall of heads, hats and staffs. No continuous barrier separates these companies from the altar: the meadow remains accessible between them.

The smaller scale of the distant groups helps turn the green surface into depth. Yet the elevated viewpoint also lets us inspect far more of the gathering than a spectator standing among it could see. The fountain, altar and descending rays give the scene an emphatic middle, while the asymmetrical profiles and uneven spacing prevent the congregation from becoming a rigid diagram. Individuals remain varied in posture even when their company shares an act of devotion.

Saints, instruments and the evidence of attributes

Some saints can be approached through the objects they carry. Ghent's official symbolism guide identifies Stephen by stones gathered in his garment and Livinus by the pincers holding a tongue. These refer to their respective martyrdoms. The latter identification gives the assembly a particular connection with Ghent, where Livinus was venerated as a patron. Their attributes offer firmer starting points than attempts to name an otherwise unmarked head by resemblance alone. ^[5]

The angels surrounding the altar hold instruments associated with Christ's Passion, while the two in front swing censers. Cross, lance, column and other implements recall suffering even though the Lamb stands composed and alive. The wisps of incense add a different kind of motion from the blood: something rising and dispersing beside the steady stream descending into the cup. Look also at the contrasting folds of their pale garments, which spread across the grass and separate the kneeling bodies from the red altar frontal. ^[5]

What does the Fountain of Life say?

The fountain is a constructed object within this apparently natural paradise. An angular basin surrounds a slender upright stem, crowned by a little figure. Water issues in fine jets rather than a single heavy cascade. Its edges, reflections and dark interior require close looking; at a distance the basin can seem almost empty beside the brighter people around it.

W. H. James Weale's 1912 catalogue records the inscription beginning Hic est fons aque vite: the fountain of the water of life proceeding from the throne of God and the Lamb, from Revelation 22:1. He also transcribes the altar's declaration identifying the Lamb who takes away the sins of the world. The inscriptions connect the two central structures, turning water and sacrificial blood into parts of one religious field rather than unrelated natural details. Weale's catalogue is an early descriptive witness, not the last authority on later conservation discoveries. ^[6]

The cathedral's own guide calls the foreground feature the source of eternal life. Its placement brings that promise closest to the viewer. The basin stands below the sacrificial altar, and the narrow watercourse carries the eye towards the lower edge. Within the painting, the spectator meets the fountain before reaching the Lamb, even though the Lamb remains the focus of the surrounding assembly. ^[1]

Can the writing on the red hats be deciphered?

The letters on the headgear of figures among the prophets and sages have prompted ambitious readings. In their French study of Greek and Hebrew inscriptions in Van Eyck, Jacques Paviot and Dina Goren examine competing attempts to decipher them. Proposed readings include words connected with a biblical person or a judge, as well as a supposed rendering of the painter's own name. The authors challenge the linguistic basis for turning the marks into an encoded signature. Some sequences remain unreadable or lack a convincing meaning. ^[7]

Watch: Jan van Eyck in context

Choose a Smarthistory close reading of the Arnolfini Portrait or the closed and opened Ghent Altarpiece.

Jan van Eyck, The Ghent Altarpiece (2 of 2)

Smarthistory

Follow the heavenly figures and the gathering around the Lamb when the wings open.

Watch on YouTube

▶03 · InteriorThe Ghent Altarpiece, openSmarthistory▶01 · PortraitThe Arnolfini PortraitSmarthistory▶02 · ExteriorThe Ghent Altarpiece, closedSmarthistory

These disagreements make the hats more interesting than a confidently decoded secret would suggest. Script can establish antiquity, learned authority or religious difference within the painting while remaining difficult for modern readers to resolve. Legible-looking marks should not be converted into a secure identification of their wearer. Nor does the presence of Hebrew lettering by itself demonstrate how fluently either painter understood the language. The material warrants close examination without promising that every decorated band conceals a recoverable sentence. ^[7]

A garden assembled across seasons and climates

The meadow's vegetation rewards the same attention as the jewellery and books. Ghent's botanical introduction notes the coexistence of spring flowers, summer-flowering plants and vegetation associated with different climates. This is a composed paradise, even when individual plants look closely observed. Its argument for renewal depends partly on bringing forms of life together that would not all flourish simultaneously in a single local field. ^[8]

The city's guide reports seventy-five proposed plant identifications across the altarpiece, forty-eight considered secure. Those totals concern the ensemble, not seventy-five species all established on this panel. Likewise, the possibility that travel helped Jan encounter Mediterranean plants does not tell us where he studied every specimen. Botanical recognition and an account of the artist's itinerary remain different kinds of claim. ^[8]

In the central painting, foreground leaves and scattered flowers articulate the ground beneath the nearest worshippers. Farther back, rounded masses of foliage shelter the processions, and thin trunks open passages towards the distant buildings. Small pale touches interrupt darker greens without dissolving the meadow into a uniform ornamental carpet. The plants work at several scales: identifiable forms nearby, screens of growth in the middle distance, and a continuous living setting for the assembly as a whole.

The distant buildings and the Utrecht tower

The skyline mixes prominent church towers with much smaller structures. After the recent treatment, differences in light, colour and architectural detail became easier to distinguish. KIK-IRPA's January 2020 synthesis explicitly rejected an older idea that the Utrecht Cathedral tower motif was a sixteenth-century addition. Examination established that it belonged to the original painting, although later paint had altered its appearance. ^[9]

That finding dates a painted architectural motif; it does not establish that the whole skyline reproduces Utrecht, Ghent or another actual city from one viewpoint. Towers rise at different intervals across a landscape whose main purpose is to hold the heavenly congregation. The alternation between wooded areas, open hills and buildings lets the eye continue beyond the altar. Even the busiest distant architecture remains subordinate in scale to the worship taking place before it.

What was recovered beneath the later paint?

The famous change in the Lamb's face belonged to a much larger investigation of the panel. In June 2018, KIK-IRPA reported that roughly forty-five percent of this central painting had been overpainted in the sixteenth century. It then estimated the loss of original paint at around three percent. These are dated findings about the central panel, not percentages for the complete altarpiece or a guarantee that every passage survives without wear. ^[10]

The institute described the recovery of a delicately varied sky, more colourful buildings and garments whose folds regained highlights and deep shadows. The operation uncovered distinctions that later painters had simplified. At the face, the earlier small ears had already reappeared when surrounding green overpaint was removed in 1951. Because the larger later ears remained, twentieth-century viewers could see an apparently four-eared animal. The recent treatment removed the later version of the head. ^[10]

The comparison near the top of this page records a treatment stage. Its sharper, more direct gaze comes from paint uncovered beneath an addition; the conservators did not invent a new pair of eyes to modernise the expression. Differences between dated photographs should therefore be read alongside their captions, particularly when an image was made before the final retouching of small losses.

How did scientific imaging help?

A 2020 study by researchers at Antwerp, KIK-IRPA and the National Gallery of Art in Washington explains why one examination method was insufficient. Lead white occurs in both earlier and later paint, limiting what a single image could distinguish. The team combined elemental mapping by macro X-ray fluorescence with molecular information from infrared reflectance spectroscopy, alongside close examination and paint samples. ^[11]

Mercury associated with vermilion helped locate an earlier, smaller pair of nostrils. Infrared images revealed underdrawing for the eyes, mouth and jaw, while the distribution of gold helped distinguish the original lower ears from later additions. The methods supplied mutually supporting evidence about features hidden below the surface. They also showed that an earlier altar had been painted with greater depth before being reduced. The painting developed through revisions, rather than following its first drawing without alteration. ^[11]

The chemical maps are evidence for materials and changes. They acquire historical meaning through comparison with the paint surface, layer structure and other records; an elemental distribution does not independently identify the painter who applied it. That distinction becomes especially important when considering the Lamb's body.

Why was the larger body retained?

KIK-IRPA's account of the imaging research describes an earlier, smaller animal with a more sagging back, rounded hindquarters and a smaller tail. The visible enlargement predates the sixteenth-century overpainting, however. It might be a late adjustment during the original making, or an early intervention by another painter. Because the available evidence could not settle that question, the conservators retained the larger contour. ^[12]

The result joins a recovered earlier face to a body outline whose precise status remains unresolved. It would therefore be misleading to describe the treatment as a return to the very first version of the entire animal. Revealing a buried design and deciding to expose it physically are different actions. Here the investigation made the earlier form knowable without making its removal from beneath another old layer the appropriate next step. ^[12]

This retained uncertainty has a practical consequence for looking. The broad horizontal back now visible should not be mentally replaced by a digitally reconstructed smaller Lamb whenever the picture is reproduced. Both the surviving surface and the hidden design belong to the evidence, but they do not have the same status as an image available for direct viewing.

Oak, repairs and the limits of cleaning

The Dutch treatment report documents concerns beyond the painted face. The reverse carried twelve elongated wooden blocks across joints, attached during a nineteenth-century structural intervention, possibly after the evacuation during the 1822 fire. Further damage was associated with the hot summer of 1826. The report distinguishes these blocks from smaller supports installed in 1951. The panel's stability required attention as well as its colour and legibility. ^[13]

Its account also differentiates the white altar covering, from which overpaint was removed, from the red brocade frontal, which had oily surface layers and local retouching but was not comprehensively overpainted. Cleaning clarified the latter's writing and fabric texture. In the landscape, some hard old fills were retained when removing them would have endangered surrounding original paint. Such decisions show why the intervention cannot be reduced to stripping away everything added after 1432. ^[13]

Hubert, Jan and the earlier spring

The joint investigation announced by KIK-IRPA in 2021 proposed a developed underlying painting attributable to Hubert: sky, hills, meadow, altar, Lamb, angels and some central figures. A natural spring occupied the area before the altar. The researchers associated a subsequent reworking with Jan, who replaced the spring with the monumental fountain and elaborated the landscape. They connected these findings with the authenticated frame inscription crediting Hubert with beginning the altarpiece and Jan with completing it. ^[14]

This is a combined historical, stylistic and technical argument, not a name discovered chemically within each paint layer. The same announcement identifies a further intervention involving gilded rays and an enlarged dove. Its precise authorship is less secure. These successive campaigns also should not be confused with the much later, extensive repainting removed during the recent treatment. An alteration can be early without necessarily belonging to one of the brothers. ^[14]

What questions remain open?

In her 2023 review of the lower-register conservation volume, Abbie Vandivere emphasises the complexity revealed by the new research. She describes a spring replaced by a fountain and then further reworking, and notes that the identity and purpose of the painters responsible for the third, non-Eyckian stage remain unclear. Her review also observes that the reasons for the extensive sixteenth-century changes receive less discussion than the evidence establishing them. ^[15]

Those are separate questions: what changed, when it changed, who changed it, and why. A sequence established from layers can be persuasive while its attribution or motivation remains debatable. The Lamb's newly legible face has understandable immediacy, but it should not make the panel appear simpler historically than it is. ^[15]

Look finally from the fountain to the cup, then from the Lamb's eyes to the surrounding faces. Water, blood and directed attention bind the meadow together. The recovered nuances allow these relationships to be examined more closely, while the retained early alterations and documented losses remain part of the object that survives.

Related reading

Ghent Altarpiece

The Arnolfini Portrait

The Annunciation in Washington

References

1. Saint Bavo's Cathedral, Dutch panel guide, central Adoration and original chapel. View Source
2. Art in Flanders, central Adoration collection entry, inventory 426, Eucharistic interpretation. View Source
3. Susan Jones, “The Ghent Altarpiece,” Metropolitan Museum of Art, 2002. View Source
4. Stéphane Lojkine, “Adoration de l'Agneau mystique,” Utpictura18, Aix-Marseille University; group arrangement and inscription. View Source
5. Visit Gent, “The symbolism behind the Ghent Altarpiece,” saints' attributes. View Source
6. W. H. James Weale, The Van Eycks and Their Art, 1912, pp. 44–46, descriptive catalogue and inscriptions. View Source
7. Jacques Paviot and Dina Goren, “Les inscriptions grecques et hébraïques dans les tableaux eyckiens,” 2006, pp. 56–57. View Source
8. Visit Gent, “A heavenly garden,” botanical identifications and combined seasons. View Source
9. KIK-IRPA, restoration synthesis, 27 January 2020, pp. 3–4 and 12, Utrecht motif and published whole-panel photograph. View Source
10. KIK-IRPA, presentation of the original Lamb, 19 June 2018, pp. 3 and 7–8, dated estimates and published comparison. View Source
11. Geert Van der Snickt and colleagues, “Dual mode standoff imaging spectroscopy documents the painting process of the Lamb of God,” Science Advances 6, eabb3379, 2020, especially pp. 3–7; original paper in University of Antwerp repository. View Source
12. KIK-IRPA, “Eyckian Lamb of God reveals secrets,” 2020, earlier body and retained contour. View Source
13. KIK-IRPA, Behandelingsverslag Lam Gods, Fase 2: 2016–2019, edited by Kathleen Froyen and Hélène Dubois, 30 April 2020, pp. 31, 98–105 and 121–127. View Source
14. KIK-IRPA, interdisciplinary lower-register research, 2019–2021, proposed division of work and successive stages. View Source
15. Abbie Vandivere, review of The Ghent Altarpiece: Research and Conservation of the Interior: The Lower Register, The Burlington Magazine 165, September 2023, pp. 1036–1037. View Source