Celsus

, an epicurean philosopher in the second century, to whom Lucian dedicated one of his compositions. He wrote a treatise against the christians, to which an answer was returned by Origen.――Cornel i us, a physician in the age of Tiberius, who wrote eight books on medicine, besides treatises on agriculture, rhetoric, and military affairs. The best editions of Celsus de medic inâ are the 8vo, Leiden, 1746, and that of Vallart, 12mo, Paris, apud Didot, 1772.――Albinoyanus, a friend of Horace, warned against plagiarism, bk. 1 , ltr. 3 , li. 15 , and pleasantly ridiculed, in the eighth epistle, for his foibles. Some of his elegies have been preserved.――Juventius, a lawyer who conspired against Domitian.――Titus, a man proclaimed emperor, A.D. 265, against his will, and murdered seven days after.