This transformation has a parallel in that undergone by the university professor, when the positive sciences began to play their part in the world. What a difference between the dignified old-world professor, draped in a robe often ermine-trimmed, seated on his high chair as on a throne, and speaking so authoritatively that students were not only bound to believe all he said, but to swear _in verbo magistri_, and the professor of to-day, who leaves the high places to the students that they may be able to see, reserving for himself the lowest station, on the bare floor; while the students are all seated, he alone stands, often clad in a gray linen blouse like a workman. The students know that they will be on the way to the highest degree of progress when they are capable of "verifying" the theses of the professor--nay, more, of giving a further impetus to science, and inscribing their own names among those quoted as having contributed to its wealth or having discovered new truths. Dignity and hierarchy in these schools have been superseded by interest in the chemical or physical or natural phenomena to be produced; and in presence of this all the rest disappears. The whole arrangement of the laboratory is subject to the same purpose; if the phenomenon requires light, all the walls are of glass; if darkness be necessary, the laboratory is so constructed that it may be transformed into a _camera obscura_. The one thing of importance is the production of the phenomenon, be this a bad smell or a perfume, an electric spark or the colors of Geissler's tubes, a resonance with Helmholtz's reverberators, or the geometrical arrangement of fine dust on a metallic plate in vibration; the shape of a leaf or the contraction of a frog's muscle; the study of the blind spot in the eye or the rhythm of cardiac pulsation; all is equal and all is included; the eager and absorbing quest is the quest of truth. It is this which the new generation demands from science, not the oratorical art of the professor, the noble gesture, the quip that lightens the weight of the discourse, the lively peroration of the carefully elaborated harangue, and all those expedients which were once developed by a special art for the express purpose of capturing the attention. It is passion for knowledge rather than attention which now animates our young people, who often come out of university halls remembering neither the voice nor the appearance of their professor. But this does not connote the absence of love and respect for the master. Only, the veneration a modern student feels in the depths of his heart for the great scientist and benefactor of humanity, who stands before him unassumingly dressed in a linen blouse, differs essentially from the fear tempered by ridicule which the gown and wig once inspired. The transformation of schools and teachers must now proceed on the same lines.