Portal[24] has paid a splendid tribute to Vesalius. “Vesalius”, he says, “appears to me one of the greatest men who ever existed. Let the astronomers vaunt their Copernicus, the natural philosophers their Galileo and Torricelli, the mathematicians their Pascal, the geographers their Columbus, I shall always place Vesalius above all their heroes. The first study of man is man. Vesalius has this noble object in view, and has admirably attained it; he has made on himself and his fellows such discoveries as Columbus could make only by travelling to the extremity of the world. The discoveries of Vesalius are of direct importance to man; by acquiring fresh knowledge of his own structure, man seems to enlarge his existence; while discoveries in geography or astronomy affect him but in a very indirect manner”. Like Harvey, Vesalius was obliged to defend his writings from fierce attacks. The most desperate of his opponents was his old master, Jacobus Sylvius, who was so wedded to the Galenic teachings that he asserted that since Galen’s time the thigh bones had changed their shape. He spoke of Vesalius as a “madman, Vesanus, whose pestilential breath poisons Europe”. Ponderous discussions were carried on between the friends and opponents of the great anatomist. The complete overthrow of the Galenists resulted. If Vesalius had remained professor of anatomy in Padua, instead of being appointed physician to Charles the Fifth, at Madrid, in 1544, it is probable that the circulation of the blood would have been discovered by him. In recent years attempts have been made to show that it was not Vesalius, but Leonardo da Vinci, who was the founder of modern anatomy. A considerable amount of controversial literature has accumulated on this subject. For our purpose it may suffice to quote the conclusions of McMurrich[25]:—“Leonardo was the first to create a new anatomy, but he created it for himself alone; Vesalius demonstrated a new anatomy to the world. It was the publication of Vesalius’s _Fabrica_ that revolutionized anatomy, while Leonardo’s drawings were lying unpublished, at first the cherished possessions of his favorite pupil Melzi, later in the Ambrosian Library in Milan, and still later forgotten in the Royal Library at Windsor. We must credit Leonardo as being the forerunner of the new anatomy, but Vesalius must be recognized as its founder”. [Illustration: INITIAL LETTER BY VESALIUS (From the “Fabrica”, 1543)] CHAPTER TWELFTH Contemporary Anatomists [Illustration: Illuminated capital]