(b Rome, Feb 22, 1822; d Castelgandolfo, Sept 20, 1894).
Italian archaeologist. Educated at the Collegio Romano and the university of Rome, he was the founder of the scientific archaeology of early Christianity. Using his extensive knowledge of ancient topography, literary sources, and the researches of the humanists (especially those of Antonio Bosio), he illuminated contemporary understanding of Early Christian life and art in Rome. His earliest excavations were carried out between 1847 and 1850 at the ancient Christian Catacomb of Praetextatus. His researches revealed the extent of the underground galleries at the site as well as the richness of the material remains. He was a formidable epigrapher and in 1861 published the first volume of Inscriptiones christianae urbis Romae septimo saeculo antiquiores, in which he collected, discussed and often depicted the earliest Christian inscriptions from the city of Rome. In 1863 De Rossi founded the Bullettino di archeologia cristiana, which aimed to publish and discuss all aspects of Christian art, archaeology, and history. The following year he produced the first volume of his magisterial ...