
Ernst Heinrich Philipp August Haeckel (Potsdam, February 16, 1834 - Jena, August 8, 1919), was a biologist, philosopher and German free thinker. He made known the theories of Charles Darwin in Germany and developed a theory of human origins. Haeckel was a physician and professor...


Evolution in Modern Thought, is many of the old classic books which have been considered important throughout the human history. They are now extremely scarce and very expensive antique. So that this work is never forgotten we republish these books in high quality, using the...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely...

As an epoch-marking contribution to Natural History in the widest sense, we rank the picture which Darwin gave to the world of the web of life, that is to say, of the inter-relations and linkages in Nature. For the Biology of the individual--if that be not a contradiction in...
