Joshua Halorki was born in Spain in the latter part of the fourteenth century, at Lorca, in Murcia. He early distinguished himself as a subtle Talmudist and skilful physician. He was a Jew of the straitest sect. His scrupulous search for arguments against Christianity was over-ruled to his discovering that Christianity was founded on the Rock of Ages, against which the very gates of hell could not prevail. Dr. Joshua de Lorca then confessed, publicly, that in assaying to convict the Hebrew Christian, Solomon Halevi, of heresy, he proved himself to be ignorant of the spirit, and an unbeliever in the letter, of Moses and the Prophets. He begged for the privilege of being baptized. He assumed the name, when the sacrament of baptism was administered to him, of Geronymo à Santa Fé. It was soon made evident that Joshua--or Geronymo, or Hieronymus, as he is variably known in ecclesiastical history--was a chosen vessel in the hands of his Redeemer. The new Hebrew Christian devoted his immense wealth, intellectual and other, towards the promotion of his Saviour's honour and glory, especially amongst his Jewish brethren. His extensive acquaintance with Talmudical and other Jewish lore, enabled him so to expose their false teaching, as to make their fallacies very evident to such as would not hoodwink their reason by impervious prejudice. His celebrated work, "Probationes N. T. ex V. T. per quas doctrina Talmud improbitur, et dicitur liber contra errores Judæorum," is one of the most decisive testimonies for Christianity, and against Talmudism, which a Hebrew Christian witness could have borne. In the year 1413, an ever memorable conference between Jewish and Christian divines was agreed upon. The meeting was convened at Tortosa, in Aragon. The Pope-Pretender, Benedict XIII., or Pedro de Luna, presided. The most renowned and famous Rabbis of the time were ranged on one side, Geronymo à Santa Fé--assisted by Andreas Baltram, a native of Valencia, another Hebrew Christian, afterwards Bishop of Barcelona--on the other side, and they met on the 7th of February, 1413, to discuss whether "Jesus, called of Nazareth, who was born at Bethlehem in the latter days of King Herod, seventy years before the destruction of the second temple, who was crucified, and died at Jerusalem, is really the true Messiah, foretold by the prophets of the Old Testament." The discussion lasted till Nov. 12, 1414. It occupied sixty-nine sessions. It was attended by the grandees of the Church and Synagogue of the day. The result was wonderful. All the Jewish disputants, with the exception of two, admitted, and signed a declaration accordingly, that they were fairly vanquished, and that utterly. Upwards of five thousand Jews made a public confession of their faith in Christ, and were baptized into the same.