Santi Cosma e Damiano
- For the Italian city, see Santi Cosma e Damiano, Lazio.
The basilica of Santi Cosma e Damiano is a church in , Italy, located in the Roman Forum. It is one of the ancient churches called tituli, of which cardinals are patrons as deacons: the Cardinal Deacon of the Titulus Ss. Cosmae et Damiani is Giovanni Cheli. The basilica, devoted to the two Greek brothers, doctors, martyrs and saints Cosmas and Damian, is located in the Forum of Vespasian, also known as the Forum of Peace.
The Temple of Romulus was dedicated by Emperor Maxentius to his son Valerius Romulus, who died in 309 and was rendered divine honours. It is possible that the temple was in origin the temple of "Jupiter Stator" or the one dedicated to Penates, and that Maxentius restored it before the re-dedication.
The ancient Roman fabric was Christianized and dedicated to Sancti Cosma et Damianus in 527, when Theodoric the Great, king of the Ostrogoths, and his daughter Amalasuntha donated the library of the Forum of Peace (Bibliotheca Pacis) and a portion of the Temple of Romulus to Pope Felix IV. The pope united the two buildings to create a basilica devoted to two Greek brothers and saints, Cosmas and Damian, in contrast with the ancient pagan cult of the two brothers Castor and Pollux, who had been worshipped in the nearby Temple of Castor and Pollux. The apse was decorated with a Roman-Byzantine mosaic, representing a parousia, the Second Coming of Christ at the end of time. The bodies of Saints Mark and Marcellian were translated, perhaps in the ninth century, to this church, where they were rediscovered in 1583 during the reign of Pope Gregory XIII.
In 1632, Pope Urban VIII ordered the restoration of the basilica. The works, projected by Orazio Torriani and directed by Luigi Arrigucci, raised the floor level seven metres, bringing it equal with the Campo Vaccino, thus avoiding the infiltration of water. Also, a cloister was added. The old floor of the basilica is still visible in the lower church, which is actually the lower part of the first church.
In 1947, the restorations of the Imperial Forums gave a new structure to the church. The old entrance, through the Temple of Romulus, was closed, and the temple restored to its original forms; with the Pantheon, the Temple of Romulus is the best preserved pagan temple in Rome. A new entrance was opened on the opposite side (on via dei Fori Imperiali), whose arch gives access to the cloister, and through this to the side of the basilica.
 Structure and art
Next to the new entrance to the complex, there are the rooms with the original marble paving of the Forum of Peace, and the wall where the 150 marble slabs of the Forma Urbis Romae were hung. Through the cloister, the entrance to the church opens on the side of the single nave. The plan of the basilica followed the norms of the Counter-Reformation: a single nave, with three chapels per side, and the big apse, which now looks quite oversized because of the reduction in height of the 17th century restoration, framed by the triumphal arch, also mutilated by that restoration.
The mosaics are masterpieces of 6th-7th century art. In the middle is Christ, with Saint Peter presenting Saint Cosmas and Saint Theodorus (right), and Saint Paul presenting Saint Damian and Pope Felix IV; the latter holds a model of the church.
 The Basilica and the history of medicine
The importance of this Basilica for the history of medicine is not only related to the fact that the two brothers were physicians and became soon patrons of physicians, surgeons, pharmacists and veterinarians, but also to the tradition according to which Claudius Galen himself lectured in the Library of the Temple of Peace (“Bibliotheca Pacis”). Furthermore, for centuries, in this “medical area” roman physicians had their meetings.
- Cfr L.Temperini, Basilica Santi Cosma e Damiano, Edizioni Casa Generalizia TOR, Roma, s.d., p.5.
 See also
- Roma, Touring Club Italiano, 2004, pp. 276–277.
- Basilica of Saints Cosmas and Damian, Rome
- Tucci, Pier Luigi, ‘Nuove acquisizioni sulla basilica dei Santi Cosma e Damiano’, Studi Romani 49 (2001) 275-293
- Tucci, Pier Luigi, ‘The Revival of Antiquity in Medieval Rome: the Restoration of the Basilica of SS. Cosma e Damiano in the Twelfth Century’, Memoirs of the American Academy in Rome 49 (2004) 99-126
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