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Hagia Sophia

Hagia Sophia (hä´jə sōfē´ə, hā´jēə,) [Gr.,=Holy Wisdom] or Santa Sophia, Turkish Aya Sofia, originally a Christian church at Constantinople (now İstanbul), later a mosque, and now converted into a museum.

Architecture

Hagia Sophia is the supreme masterpiece of Byzantine architecture. Its spacious nave is covered by a lofty central dome carried on pendentives, a device not previously employed in monumental construction. Pendentives make possible support of the dome on a square framework of four huge equal arches resting on huge piers. The arches at the east and west are extended and buttressed by great half domes, while the half domes in turn are carried on smaller semidomed exedrae. A vast oblong interior, 102 ft (31 m) by 265 ft (81 m), is thus created from a succession of domical elements that build up to the main dome, 102 ft (31 m) in diameter and 184 ft (56 m) high, in which a corona of 40 arched windows sheds a flood of light on the interior.

At the east end of the nave is the vaulted sanctuary apse and at the west end a great narthex or vestibule, beyond which an exonarthex opens to the forecourt, or atrium. Flanking the nave to the north and south are side aisles with galleries over them. Their massive vaults, carried at both levels by monolithic columns of green and white marble and purple porphyry, serve as buttresses to receive the thrust of the great dome and its supporting arches. The vast interior is thus wholly free of suggestion of ponderous load, and its effect is that of a weightless golden shell that seems to possess a miraculous inherent stability.

In this one structural organism the Roman methods of construction are epitomized, modified and enriched by new aesthetic theories and realized in strikingly colorful materials and ornamental techniques. These materials and techniques are often considered Eastern, but they are in fact the logical outgrowth of trends already apparent in Roman imperial buildings of the first three centuries AD All interior surfaces are sheathed with polychrome marbles and gold mosaic, encrusted upon the brick core of the structure; most of the magnificent figure mosaics have been cleaned and restored to view. Externally, the broad, smooth surfaces of stuccoed walls and the great unconcealed masses of vaults and domes pile up impressively. Hagia Sophia served as model for several of the great Turkish mosques of Constantinople.

History

Hagia Sophia stands on the site of an earlier basilican church erected by Constantius II in 360, some 30 years after Byzantium had become the capital of the Roman Empire. This church was burned in 404 and rebuilt by Theodosius II in 415, only to be again destroyed by fire in 532. The present structure, which is entirely fireproof, was built in 532–37 by Emperor Justinian from designs of his imperial architects Anthemius of Tralles and Isidorus of Miletus. As a result of severe earthquakes, the dome collapsed in 558, but it was rebuilt by 563 on a somewhat higher curve.

With the Turkish conquest of Constantinople in 1453, Hagia Sophia became a mosque and was renamed Aya Sofya Camii. In subsequent years all the interior figure mosaics were obscured under coatings of plaster and painted ornament; most of the Christian symbols elsewhere were obliterated. The four slender minarets, which rise so strikingly at the outer corners of the structure, were added singly and at different times; the crescent supplanted the cross on the summit of the dome, and the altar and the pulpit were replaced by the customary Muslim furnishings.

Bibliography

See H. Kahler, Hagia Sophia (tr. 1967); R. S. Nelson, Hagia Sophia, 1850–1950: Holy Wisdom, Modern Monument (2004).

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Hagia Sophia

Hagia Sophia (Aya Sofia) Byzantine church in Istanbul. It was built (532–37) for the Emperor Justinian I. A supreme masterpiece of Byzantine architecture, it was the first building to use pendentives to support a central dome. A series of domes extends the lofty interior space. The interior contains columns of marble and porphyry. The church was converted into a mosque in 1453. The Hagia Sophia now acts as a museum.

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Hagia Sophia

Hagia Sophia another name for St Sophia (see saint). The name is Greek, literally ‘holy wisdom’.

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Hagia Sophia

HAGIA SOPHIA

The church of Hagia Sophia (Holy Wisdom in Greek) was commissioned by the Byzantine emperor Justinian I (527565) and built by the mathematicians Anthemius of Tralles and Isidore of Miletus. The church was inaugurated in 562 after more than five years of labor by over 10,000 workers. It replaced an earlier structure, the Great Church, which was destroyed by fire in the Nika rebellions of 532. The destroyed building was a conventional timber-roofed basilica. In replacing it Justinian and his architects combined elements from basilicanand centrallyplanned structures to create a new architectural plan most frequently characterized as a domed basilica. The individual elements used in the building were not new; it was rather their combination that was innovative. Hagia Sophia was originally fronted to the west by a porticoed atrium with a central fountain. Multiple doors then opened onto a double entrance hall, or narthex. This gave access to the great open space of the nave, a rectangle measuring 229 by 245 feet (70 by 77 meters). Above this is the circular dome, 100 feet (30.5 m) in diameter, which rests on pendentives supported by four immense stone piers linked by four massive arches. These supports are not clearly evident, as in classical buildings, but are hidden behind a screen of columns on the north and south walls. On the east and west walls two half-domes are set immediately beneath the main dome; beneath each semidome are three apses. The circular dome thus seems to float unsupported 180 feet (55 m) above the nave floor. Prokopios, a historian in Justinian's court, captured the dome's effect on the viewer: "It seems not to be founded on solid masonry, but to be suspended from heaven by that golden chain." (De aedif. I, i, 23).

It is difficult to convey in words the tremendous scale of Hagia Sophia. It is the largest Byzantine church ever built; it was the largest church in medieval Christendom; it encloses a vaulted space larger than that of any building built before it. The scale of the building reflects it importance. Hagia Sophia was in many ways as symbolic of Byzantium as was the nearby Great Palace complex of the Byzantine emperors. It was the showpiece of the empire, proudly displayed to every foreign diplomat, and was equally the object of devout pilgrims and gawking tourists. It gave employment to more than 600 members of the clergy and served as the primary church of the patriarch, whose palace abutted the south facade and connected directly to the gallery. Hagia Sophia was the site of many of the empire's most important celebrations, including the investiture of new emperors. On the major feast days of the Orthodox Church the emperor and patriarch joined together to take part in the liturgy.

The interior decoration matched the splendor of its architectural underpinnings. According to Prokopios, 40,000 pounds of silver was used to decorate the sanctuary. Acres of multicolored marbles were quarried to create the columns and revetments that sheath the walls and floors. Marble was also used for many of the liturgical furnishings, such as the ambo, the elevated platform from which scriptures were read. The upper vaulting was covered with gold tesserae (cubes), which reflected the light streaming in through the tympana and dome windows. Cut marble (opus sectile ), arranged in the form of vines intertwined with fruit and birds decorated the north and south colonnades at the levels of the aisles and galleries (upper stories). Cloths woven with gold thread covered the solid gold altar and draped the interior doorways. The low screen separating the sanctuary from the nave displayed silver relief icons of Christ, the Virgin, angels, and saints. The full extent of the figural decoration of the building prior to iconoclasm is not known. After repairs to the dome in 563, a mosaic depicting a cross was placed in its apex.

In 867, after the end of Iconoclasm, Hagia Sophia was the first church to undergo official redecoration. One of the first images to be installed was the mosaic still visible in the eastern apse depicting the enthroned Virgin and Child. It was originally flanked by mosaics of the archangels Michael and Gabriel; only the latter survives today. At the same time mosaic icons of the Church Fathers were placed at the base of the tympanum. In the tenth through twelfth centuries imperial portraits were added to the south gallery and placed above the doors of the narthex, and in the fourteenth century a mosaic of Christ as Pantokrator (Ruler of All) was placed in the dome.

The building has of course undergone repairs and alterations. In the Byzantine period frequent earthquakes necessitated repairs to the dome and the strengthening of the exterior buttresses. When Constantinople fell to the Ottoman Sultan Mehmet II in 1453 the church was converted into a mosque. Christian liturgical furnishings were removed and replaced with those necessary for Muslim worship, and four minarets were added to the exterior. The Byzantine buildings that clustered around the church were replaced with Ottoman and, later, Turkish structures. The majority of the Byzantine mosaics were not removed but were painted over in the eighteenth century. Hagia Sophia is now a museum administered by the Turkish government and preserves aspects of both its Christian and Muslim history. In 1930 restoration of the Byzantine mosaics was begun and conservation work continues today on both the Byzantine and Islamic interior decorations.

Bibliography: r. cormack and e. j. w. hawkins, "The Mosaics of St. Sophia at Istanbul: The Rooms above the Southwest Vestibule and Ramp" Dumbarton Oaks Papers 31 (1977) 175251. r. j. mainstone, Hagia Sophia: Architecture, Structure, and Liturgy of Justinian's Great Church (London 1988). g. majeska, "The Emperor in His Church: Imperial Ritual in the Church of St. Sophia" in Byzantine Court Culture from 8291204, ed. h. maguire (Washington, DC 1997). c. mango, The Art of the Byzantine Empire 3121453 (Toronto 1986); Materials for the Study of the Mosaics of St. Sophia (Washington, DC 1962). r. mark and a. Çakmak, eds., Hagia Sophia from the Age of Justinian to the Present (New York 1992). t. e. mathews, The Early Churches of Constantinople: Architecture and Liturgy (University Park, PA 1971). w. mÜller-weiner, Bildlexicon zur Topographie Istanbuls (Tübingen 1977). t. whittemore, The Mosaics of Saint Sophia at Istanbul; Preliminary Report on the Year's Work, 193132 (Paris 1933).

[l. jones]

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