I. Haeckel and His Opponents

The famous pathologist, Rudolf Virchow,[^7] has taken up a quite peculiar position towards the monistic world-conception. After Haeckel had delivered his address on The Present Theory of Evolution in Relation to Science as a Whole at the fiftieth congress of German scientists and doctors, in which he ably expounded the significance of the monistic world-conception for our intellectual culture and also for the whole system of public instruction, Virchow came forward four days later as his opponent with the speech: The Freedom of Science in the Modern State. At first it seemed as if Virchow wanted monism excluded from the schools only, because, according to his view, the new doctrine was only an hypothesis and did not represent a fact established by definite proofs. It certainly seems remarkable that a modern scientist wants to exclude the doctrine of evolution from school-teaching on the ostensible ground of lack of unassailable proofs while at the same time speaking in favour of Church dogma. Does not Virchow even say (on p. 29 of the speech mentioned): “Every attempt to transform our problems into set formula, to introduce our suppositions as the basis of instruction, especially the attempt simply to dispossess the Church and replace its dogmas without more ado by a ‘descent-religion;’ yes, gentlemen, this attempt must fail entirely, and in its frustration this attempt will also bring with it the greatest dangers for the whole position of science!” One must needs, however, here raise the question—meaningless for every reasonable thinker—Have we more certain proofs for the Church's dogmas than for the “descent-religion?” But it results from the whole tone and style in which Virchow spoke that he was much less concerned about warding off the dangers which monism might cause to the teaching of the young than about his opposition on principle to Haeckel's world-conception as a whole. This he has proved by his whole subsequent attitude. He has seized upon every opportunity that seemed to him suitable to combat the natural history of evolution and to repeat his favourite phrase, “It is quite certain that man does not descend from the ape.” At the twenty-fifth anniversary of the German Anthropological Society, on 24th August, 1894, he even went so far as to clothe this dictum in the somewhat tactless words: “On the road of speculation people have come to the ape theory; one might just as well have arrived at an elephant theory or a sheep theory.” Of course, this utterance has not the smallest sense in view of the results of comparative zoology. “ No zoologist,” remarks Haeckel, “would consider it possible that man could have descended from the elephant or the sheep. For precisely these two mammals happen to belong to the most specialised branches of hoofed animals, an order of mammalia which stands in no sort of direct connection with that of the apes or primates (excepting their common descent from an ancestral form common to the entire class).” Hard as it may be towards a meritorious scientist, one can only characterise such utterances as Virchow's as empty verbalism.[^8]