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Isidore of Miletus

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Isidore of Miletus

Isidore of Miletus (Greek: Ἰσίδωρος) was one of the two main Byzantine Greek architects (Anthemius of Tralles was the other) that Emperor Justinian I commissioned to design the church of Hagia Sophia in Constantinople from 532-537 A.D.

Summary

Isidore of Miletus was a renowned scientist and mathematician before Emperor Justinian I hired him, “Isidorus taught stereometry and physics at the universities, first of Alexandria then of Constantinople, and wrote a commentary on an older treatise on vaulting.”[1] Isidore is also renowned for producing the first comprehensive compilation of Archimedes work.

Emperor Justinian I appointed his architects to rebuild the Hagia Sophia following his victory over protesters within the capital city of his Roman Empire, Constantinople. The first basilica was completed in 360 A.D. and remodelled from 404 A.D. to 415 A.D., but had been damaged in 532 A.D. in the course of the Nika Riot, “The temple of Sophia, the baths of Zeuxippus, and the imperial courtyard from the Propylaia all the way to the so-called House of Ares were burned up and destroyed, as were both of the great porticoes that lead to the forum that is named after Constantine, houses of prosperous people, and a great deal of other properties.”[2]

The warring factions of Byzantine society, the Blues and the Greens, opposed each other in the chariot races at the Hippodrome and often resorted to violence. During the Nika Riot, more than thirty thousand people died.[3] Emperor Justinian I ensured that his new structure would not be burned down, like its predecessors, by commissioning architects that would build the church mainly out of stone, rather than wood, “He compacted it of baked brick and mortar, and in many places bound it together with iron, but made no use of wood, so that the church should no longer prove combustible.”[4]

Isidore of Miletus and Anthemius of Tralles originally planned on a main hall of the Hagia Sophia that measured 230 feet by 250 feet, making it the largest church in Constantinople, but the original dome was nearly 20 feet lower than it was constructed, “Justinian suppressed these riots and took the opportunity of marking his victory by erecting in 532-7 the new Hagia Sophia, one of the largest, most lavish, and most expensive buildings of all time.”[5]

Although Isidore of Miletus and Anthemius of Tralles were not formally educated in labourers and unprecedented loads of rare raw materials from around the Roman Empire to create the Hagia Sophia for Emperor Justinian I. The finished product was built in admirable form for the Roman Emperor, “All of these elements marvellously fitted together in mid-air, suspended from one another and reposing only on the parts adjacent to them, produce a unified and most remarkable harmony in the work, and yet do not allow the spectators to rest their gaze upon any one of them for a length of time.”[6]

Conclusion

The Hagia Sophia architects innovatively combined the longitudinal structure of a Roman basilica and the central plan of a drum-supported dome, in order to withstand the high magnitude earthquakes of the Marmara Region, “However, in May 558, little more than 20 years after the Church’s dedication, following the earthquakes of August 553 and December 557, parts of the central dome and its supporting structure system collapsed.”[7] The Hagia Sophia was repeatedly cracked by earthquakes and was quickly repaired. Isidore of Miletus’ nephew, Isidore the Younger, introduced the new dome design that can be viewed in the Hagia Sophia in present day Istanbul, Turkey.

After a great earthquake in 989 ruined the dome of Hagia Sophia, the Byzantine officials summoned [8]

Notes

  1. ^ Krautheimer,page 215
  2. ^ Prokopios, page 138
  3. ^ Prokopios, page 144
  4. ^ Mango, page 78
  5. ^ Watkin, page 76
  6. ^ Mango, page 75
  7. ^ Cakmak, page 693
  8. ^ Maranci, pages 294–305

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