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 of comparative anatomy and was one of the first scientists who understood the psychology as a branch of physiology. He also participated in introducing some concepts of modern biology such as those of "branch" or "ecology." Haeckel also pointed to the policy as applied biology. He sketched on science ideology,...