As a study in successful publication, that is, in the securing of wide attention to writings within a short time, the career of Constantine and the story of his books would be extremely interesting. Medieval distribution of books is usually thought to have been rather halting, but here was an exception. It was largely because Benedictines all over the world were deeply interested in what this brother Benedictine was writing that wide distribution was secured for his work within a very short time. His superiors among the Benedictines had a profound interest in what he was doing. The great Benedictine Abbot Desiderius of Monte Cassino, who afterwards became Pope, used all of his extensive influence in both positions to secure an audience for the books--hence the many manuscript copies of his writings that we have. It is probable that Constantine established a school of writers at Monte Cassino, for he could scarcely have accomplished so much by himself as has been attributed to him. Besides, his works attracted so much attention that writers of immediately succeeding generations who wanted to secure attention for their works sometimes attributed them to him in order to take advantage of his popularity. It is rather difficult, then, to determine with absolute assurance which are Constantine's genuine works. Some of those attributed to him are undoubtedly spurious. What we know with certainty, however, is that his authentic works meant much for his own and after generations. Constantine was born in the early part of the eleventh century, and died near its close, having lived probably well beyond eighty years of age, his years running nearly parallel with his century. His surname, Africanus, is derived from his having been born in Africa, his birthplace being Carthage. Early in life he seems to have taken up with ardor the study of medicine in his native town, devoting himself, however, at the same time to whatever of physical science was available. Like many another young man since his time, not satisfied with the knowledge he could secure at home, he made distant journeys, gathering medical and scientific information of all kinds wherever he went. According to a tradition that seems to be well grounded, some of these journeys took him even into the far East. During his travels he became familiar with a number of Oriental languages, and especially studied the Arabian literature of science very diligently. At this time the Arabs, having the advantage of more intimate contact with the Greek medical traditions in Asia Minor, were farther advanced in their knowledge of the medical sciences than the scholars in the West. They had better facilities for obtaining the books that were the classics of medicine, and, with any desire for knowledge, could scarcely fail to secure it.