Haeckel would hardly have existed if Darwin had not existed.
But seeing that Haeckel was swaying, he turned to Herman Spier.
Haeckel's attempt was the most impressive, and swept all before it, for a year or two.
The King had passed a bad night, and Haeckel was still missing.
But where is there mention of the professional colleagues of Haeckel whose testimonies could be taken seriously?
But for some reason or other Haeckel came no more, and old Adelbert missed him.
Romanes ranks, as is well known, among the first of Haeckel's authorities.
Haeckel had told what he knew and the leaders of the Terrorists were in prison.
This has been clearly shown by Haeckel, who has done much towards bringing about a change of opinion in these matters.
We have seen which of these alternatives Professor Haeckel has adopted.
Haeckel Haeck·el (hěk'əl), Ernst. 1834-1919.
German philosopher and naturalist who supported Darwin's theory and mapped a genealogical tree relating all animal life.
German naturalist who was the first to attempt a genealogical tree of all animals. He was also one of the first scientists to publicly support Darwin's theory of evolution. His own ideas about evolution attracted popular attention, and though they were later disproved, they helped to stimulate biological research.