Albertus Magnus has long been recognized as one of the greatest minds of the Middle Ages; his contemporaries conferred upon him the title Doctor Universalis. An epitaph at his tomb described him as prince among philosophers, greater than Plato, and hardly inferior to King Solomon in wisdom. In 1941, Pope Pius XII named Albertus Magnus patron saint of scientists.
In his work De animalibus, Albert integrated the vast amount of information on nature that had come down to him in previous centuries: the exposition of Michael Scotus's translation from the Arabic of Aristotle's...