They will be more advanced than we are, in science and in useful arts, and will know best what will suit the circumstances of their day.
The report as a whole is very exhaustive in laying out the details of the university, but the authors are well aware of the limits of their expertise. They are smart enough to realize that the faculty they hire are much more knowledgeable about their fields and the divisions between their departments, and will thus be far better equipped to address them and create the most efficient structure for the university.